1331322323312 has 40 divisors (see below), whose sum is σ = 2594302724832. Its totient is φ = 661826592000.

The previous prime is 1331322323311. The next prime is 1331322323323. The reversal of 1331322323312 is 2133232231331.

It is a super-2 number, since 2×1331322323312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331322323311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12681437 + ... + 12785987.

Almost surely, 2^{1331322323312} is an apocalyptic number.

It is an amenable number.

1331322323312 is a deficient number, since it is larger than the sum of its proper divisors (1262980401520).

1331322323312 is a wasteful number, since it uses less digits than its factorization.

1331322323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109137 (or 109131 counting only the distinct ones).

The product of its digits is 11664, while the sum is 29.

Adding to 1331322323312 its reverse (2133232231331), we get a palindrome (3464554554643).

The spelling of 1331322323312 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-two million, three hundred twenty-three thousand, three hundred twelve".