31375265068 has 48 divisors (see below), whose sum is σ = 66239208000. Its totient is φ = 12982851840.

The previous prime is 31375265029. The next prime is 31375265087. The reversal of 31375265068 is 86056257313.

It is a super-2 number, since 2×31375265068² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 354493 + ... + 434068.

It is an arithmetic number, because the mean of its divisors is an integer number (1379983500).

Almost surely, 2^31375265068 is an apocalyptic number.

It is an amenable number.

31375265068 is an abundant number, since it is smaller than the sum of its proper divisors (34863942932).

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

31375265068 is a wasteful number, since it uses less digits than its factorization.

31375265068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788615 (or 788599 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 31375265068 in words is "thirty-one billion, three hundred seventy-five million, two hundred sixty-five thousand, sixty-eight".