31340968 has 16 divisors (see below), whose sum is σ = 59140980. Its totient is φ = 15570048.

The previous prime is 31340929. The next prime is 31340971. The reversal of 31340968 is 86904313.

It can be written as a sum of positive squares in 2 ways, for example, as 31337604 + 3364 = 5598^2 + 58^2 .

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, 11221 + ... + 13732.

Almost surely, 2^31340968 is an apocalyptic number.

It is an amenable number.

31340968 is a deficient number, since it is larger than the sum of its proper divisors (27800012).

31340968 is a wasteful number, since it uses less digits than its factorization.

31340968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25116 (or 25112 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 31340968 is about 5598.3004563885. The cubic root of 31340968 is about 315.2855997168.

The spelling of 31340968 in words is "thirty-one million, three hundred forty thousand, nine hundred sixty-eight".