31312113023032 has 16 divisors (see below), whose sum is σ = 58710278987640. Its totient is φ = 15656038626336.

The previous prime is 31312113023027. The next prime is 31312113023057. The reversal of 31312113023032 is 23032031121313.

It is a junction number, because it is equal to n+sod(n) for n = 31312113022988 and 31312113023006.

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, 7917118 + ... + 11193970.

Almost surely, 2^{31312113023032} is an apocalyptic number.

It is an amenable number.

31312113023032 is a deficient number, since it is larger than the sum of its proper divisors (27398165964608).

31312113023032 is a wasteful number, since it uses less digits than its factorization.

31312113023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471302 (or 4471298 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31312113023032 its reverse (23032031121313), we get a palindrome (54344144144345).

The spelling of 31312113023032 in words is "thirty-one trillion, three hundred twelve billion, one hundred thirteen million, twenty-three thousand, thirty-two".