31312031113007 has 32 divisors (see below), whose sum is σ = 32405936035200. Its totient is φ = 30235451904000.

The previous prime is 31312031112983. The next prime is 31312031113019. The reversal of 31312031113007 is 70031113021313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31312031113007 - 2³⁸ = 31037153206063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312031113607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3732506369 + ... + 3732514757.

It is an arithmetic number, because the mean of its divisors is an integer number (1012685501100).

Almost surely, 2^{31312031113007} is an apocalyptic number.

31312031113007 is a deficient number, since it is larger than the sum of its proper divisors (1093904922193).

31312031113007 is a wasteful number, since it uses less digits than its factorization.

31312031113007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707.

The product of its (nonzero) digits is 1134, while the sum is 26.

The spelling of 31312031113007 in words is "thirty-one trillion, three hundred twelve billion, thirty-one million, one hundred thirteen thousand, seven".