1331313321304 has 16 divisors (see below), whose sum is σ = 2643048505800. Its totient is φ = 626500386432.

The previous prime is 1331313321271. The next prime is 1331313321323. The reversal of 1331313321304 is 4031233131331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4894534134 + ... + 4894534405.

Almost surely, 2^{1331313321304} is an apocalyptic number.

It is an amenable number.

1331313321304 is a deficient number, since it is larger than the sum of its proper divisors (1311735184496).

1331313321304 is a wasteful number, since it uses less digits than its factorization.

1331313321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9789068562 (or 9789068558 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 1331313321304 its reverse (4031233131331), we get a palindrome (5362546452635).

The spelling of 1331313321304 in words is "one trillion, three hundred thirty-one billion, three hundred thirteen million, three hundred twenty-one thousand, three hundred four".