31373396 has 12 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 15660120.

The previous prime is 31373387. The next prime is 31373413. The reversal of 31373396 is 69337313.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 3860 + ... + 8811.

It is an arithmetic number, because the mean of its divisors is an integer number (4583040).

Almost surely, 2^31373396 is an apocalyptic number.

It is an amenable number.

31373396 is a deficient number, since it is larger than the sum of its proper divisors (23623084).

31373396 is a wasteful number, since it uses less digits than its factorization.

31373396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294 (or 13292 counting only the distinct ones).

The product of its digits is 30618, while the sum is 35.

The square root of 31373396 is about 5601.1959437249. The cubic root of 31373396 is about 315.3943025625.

The spelling of 31373396 in words is "thirty-one million, three hundred seventy-three thousand, three hundred ninety-six".