31110112864 has 24 divisors (see below), whose sum is σ = 61418664720. Its totient is φ = 15511721856.

The previous prime is 31110112853. The next prime is 31110112903. The reversal of 31110112864 is 46821101113.

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, 1342539 + ... + 1365514.

It is an arithmetic number, because the mean of its divisors is an integer number (2559111030).

Almost surely, 2^31110112864 is an apocalyptic number.

It is an amenable number.

31110112864 is a deficient number, since it is larger than the sum of its proper divisors (30308551856).

31110112864 is a wasteful number, since it uses less digits than its factorization.

31110112864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708422 (or 2708414 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

Adding to 31110112864 its reverse (46821101113), we get a palindrome (77931213977).

The spelling of 31110112864 in words is "thirty-one billion, one hundred ten million, one hundred twelve thousand, eight hundred sixty-four".