31120126615968 has 192 divisors, whose sum is σ = 92351276236800. Its totient is φ = 9109478292480.

The previous prime is 31120126615951. The next prime is 31120126616101. The reversal of 31120126615968 is 86951662102113.

It is a self number, because there is not a number n which added to its sum of digits gives 31120126615968.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4534248 + ... + 9099431.

It is an arithmetic number, because the mean of its divisors is an integer number (480996230400).

Almost surely, 2^{31120126615968} is an apocalyptic number.

It is an amenable number.

31120126615968 is an abundant number, since it is smaller than the sum of its proper divisors (61231149620832).

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

31120126615968 is a wasteful number, since it uses less digits than its factorization.

31120126615968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633795 (or 13633787 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 31120126615968 in words is "thirty-one trillion, one hundred twenty billion, one hundred twenty-six million, six hundred fifteen thousand, nine hundred sixty-eight".