31113368 has 32 divisors (see below), whose sum is σ = 68538960. Its totient is φ = 13054080.

The previous prime is 31113359. The next prime is 31113371. The reversal of 31113368 is 86331113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12455 + ... + 14742.

Almost surely, 2^31113368 is an apocalyptic number.

It is an amenable number.

31113368 is an abundant number, since it is smaller than the sum of its proper divisors (37425592).

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

31113368 is a wasteful number, since it uses less digits than its factorization.

31113368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27227 (or 27223 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 31113368 is about 5577.9358189208. The cubic root of 31113368 is about 314.5205370594.

The spelling of 31113368 in words is "thirty-one million, one hundred thirteen thousand, three hundred sixty-eight".