313231324044 has 24 divisors (see below), whose sum is σ = 730920374128. Its totient is φ = 104403686400.

The previous prime is 313231324039. The next prime is 313231324061. The reversal of 313231324044 is 440423132313.

It is a happy number.

It is a super-2 number, since 2×313231324044² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649357 + ... + 1023780.

Almost surely, 2^313231324044 is an apocalyptic number.

It is an amenable number.

313231324044 is an abundant number, since it is smaller than the sum of its proper divisors (417689050084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313231324044 is a wasteful number, since it uses less digits than its factorization.

313231324044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688745 (or 1688743 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 313231324044 its reverse (440423132313), we get a palindrome (753654456357).

The spelling of 313231324044 in words is "three hundred thirteen billion, two hundred thirty-one million, three hundred twenty-four thousand, forty-four".