31113696 has 24 divisors (see below), whose sum is σ = 81673704. Its totient is φ = 10371200.

The previous prime is 31113653. The next prime is 31113713. The reversal of 31113696 is 69631113.

It is a tau number, because it is divible by the number of its divisors (24).

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, 161955 + ... + 162146.

It is an arithmetic number, because the mean of its divisors is an integer number (3403071).

Almost surely, 2^31113696 is an apocalyptic number.

It is an amenable number.

31113696 is an abundant number, since it is smaller than the sum of its proper divisors (50560008).

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

31113696 is a wasteful number, since it uses less digits than its factorization.

31113696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324114 (or 324106 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 31113696 is about 5577.9652204007. The cubic root of 31113696 is about 314.5216422904.

The spelling of 31113696 in words is "thirty-one million, one hundred thirteen thousand, six hundred ninety-six".