31113124 has 12 divisors (see below), whose sum is σ = 62226304. Its totient is φ = 13334184.

The previous prime is 31113113. The next prime is 31113167. The reversal of 31113124 is 42131113.

31113124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31113098 and 31113107.

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, 555564 + ... + 555619.

Almost surely, 2^31113124 is an apocalyptic number.

It is an amenable number.

31113124 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.

31113124 is a wasteful number, since it uses less digits than its factorization.

31113124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111194 (or 1111192 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 31113124 is about 5577.9139469877. The cubic root of 31113124 is about 314.5197148704.

Adding to 31113124 its reverse (42131113), we get a palindrome (73244237).

The spelling of 31113124 in words is "thirty-one million, one hundred thirteen thousand, one hundred twenty-four".