CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,557,270	$ 2,240,303
Marketable securities	3,132,309	2,004,410
Accounts receivable, net of allowances of $33,664 and $36,844 as of April 30, 2021 and January 31, 2021, respectively	366,346	294,703
Deferred contract acquisition costs, current	148,645	136,630
Prepaid expenses and other current assets	136,326	116,819
Total current assets	5,340,896	4,792,865
Deferred contract acquisition costs, noncurrent	155,295	157,262
Property and equipment, net	192,410	149,924
Operating lease right-of-use assets	93,780	97,649
Goodwill	24,340	24,340
Other assets, noncurrent	81,890	75,953
Total assets	5,888,611	5,297,993
Current liabilities:
Accounts payable	8,324	8,664
Accrued expenses and other current liabilities	450,678	393,018
Deferred revenue, current	1,069,334	858,284
Total current liabilities	1,528,336	1,259,966
Deferred revenue, noncurrent	25,089	25,211
Operating lease liabilities, noncurrent	86,433	90,415
Other liabilities, noncurrent	56,020	61,634
Total liabilities	1,695,878	1,437,226
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.001 par value per share, 200,000,000 shares authorized as of April 30, 2021 and January 31, 2021; zero shares issued and outstanding as of April 30, 2021 and January 31, 2021	0	0
Common stock, $0.001 par value per share, 2,000,000,000 Class A shares authorized as of April 30, 2021 and January 31, 2021; 236,487,446 and 215,737,924 shares issued and outstanding as of April 30, 2021 and January 31, 2021, respectively; 300,000,000 Class B shares authorized as of April 30, 2021 and January 31, 2021; 58,024,499 and 77,811,299 shares issued and outstanding as of April 30, 2021 and January 31, 2021, respectively	293	292
Additional paid-in capital	3,292,241	3,187,168
Accumulated other comprehensive income	200	839
Retained earnings	899,999	672,468
Total stockholders’ equity	4,192,733	3,860,767
Total liabilities and stockholders’ equity	$ 5,888,611	$ 5,297,993