31396124 has 6 divisors (see below), whose sum is σ = 54943224. Its totient is φ = 15698060.

The previous prime is 31396117. The next prime is 31396139. The reversal of 31396124 is 42169313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924512 + ... + 3924519.

It is an arithmetic number, because the mean of its divisors is an integer number (9157204).

Almost surely, 2^31396124 is an apocalyptic number.

It is an amenable number.

31396124 is a deficient number, since it is larger than the sum of its proper divisors (23547100).

31396124 is a wasteful number, since it uses less digits than its factorization.

31396124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849035 (or 7849033 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 31396124 is about 5603.2244288445. The cubic root of 31396124 is about 315.4704451156.

The spelling of 31396124 in words is "thirty-one million, three hundred ninety-six thousand, one hundred twenty-four".