FIRST TRUST PORTFOLIOS L.P.
                      1001 WARRENVILLE ROAD
                      LISLE, ILLINOIS 60532

                           May 1, 2008



Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C.  20549



     Re:                    FT 1331
           (SEC File No. 333-139898)(CIK No. 1383138)

Ladies/Gentlemen:

     In   accordance  with  the  provisions  of  Rule  497(j)  of
Regulation  C  under the Securities Act of 1933 (the  "Securities
Act")  this  letter serves to certify that the most  recent  post
effective amendment to the registration statement on Form S-6 for
the  above captioned Trust does not differ from that which  would
have  been  filed pursuant to Rule 497(b) of the Securities  Act.
Post  effective Amendment No. 1, which was the most  recent  post
effective  Amendment  to the Registration  Statement,  was  filed
electronically with the Commission on April 30, 2008.

                                    Very truly yours,




                                    First Trust Portfolios L.P.