31112396 has 12 divisors (see below), whose sum is σ = 62224848. Its totient is φ = 13333872.

The previous prime is 31112371. The next prime is 31112401. The reversal of 31112396 is 69321113.

31112396 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 555551 + ... + 555606.

It is an arithmetic number, because the mean of its divisors is an integer number (5185404).

Almost surely, 2^31112396 is an apocalyptic number.

It is an amenable number.

31112396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31112396 is a wasteful number, since it uses less digits than its factorization.

31112396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111168 (or 1111166 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 31112396 is about 5577.8486892349. The cubic root of 31112396 is about 314.5172617562.

The spelling of 31112396 in words is "thirty-one million, one hundred twelve thousand, three hundred ninety-six".