31135264120 has 64 divisors (see below), whose sum is σ = 70742707200. Its totient is φ = 12332113920.

The previous prime is 31135264099. The next prime is 31135264133. The reversal of 31135264120 is 2146253113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742616 + ... + 2753944.

It is an arithmetic number, because the mean of its divisors is an integer number (1105354800).

Almost surely, 2^31135264120 is an apocalyptic number.

It is an amenable number.

31135264120 is an abundant number, since it is smaller than the sum of its proper divisors (39607443080).

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

31135264120 is a wasteful number, since it uses less digits than its factorization.

31135264120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008 (or 12004 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 31135264120 in words is "thirty-one billion, one hundred thirty-five million, two hundred sixty-four thousand, one hundred twenty".