313131122032 has 10 divisors (see below), whose sum is σ = 606691548968. Its totient is φ = 156565561008.

The previous prime is 313131121997. The next prime is 313131122033. The reversal of 313131122032 is 230221131313.

It is a junction number, because it is equal to n+sod(n) for n = 313131121994 and 313131122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313131122033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9785347548 + ... + 9785347579.

Almost surely, 2^313131122032 is an apocalyptic number.

It is an amenable number.

313131122032 is a deficient number, since it is larger than the sum of its proper divisors (293560426936).

313131122032 is a wasteful number, since it uses less digits than its factorization.

313131122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19570695135 (or 19570695129 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313131122032 its reverse (230221131313), we get a palindrome (543352253345).

The spelling of 313131122032 in words is "three hundred thirteen billion, one hundred thirty-one million, one hundred twenty-two thousand, thirty-two".