31968344 has 16 divisors (see below), whose sum is σ = 62547120. Its totient is φ = 15289120.

The previous prime is 31968301. The next prime is 31968359. The reversal of 31968344 is 44386913.

It is a junction number, because it is equal to n+sod(n) for n = 31968298 and 31968307.

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, 86687 + ... + 87054.

It is an arithmetic number, because the mean of its divisors is an integer number (3909195).

Almost surely, 2^31968344 is an apocalyptic number.

It is an amenable number.

31968344 is a deficient number, since it is larger than the sum of its proper divisors (30578776).

31968344 is a wasteful number, since it uses less digits than its factorization.

31968344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173770 (or 173766 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 31968344 is about 5654.0555356310. The cubic root of 31968344 is about 317.3754867540.

The spelling of 31968344 in words is "thirty-one million, nine hundred sixty-eight thousand, three hundred forty-four".