31340268 has 36 divisors (see below), whose sum is σ = 79464840. Its totient is φ = 10414656.

The previous prime is 31340233. The next prime is 31340273. The reversal of 31340268 is 86204313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12496 + ... + 14792.

Almost surely, 2^31340268 is an apocalyptic number.

It is an amenable number.

31340268 is an abundant number, since it is smaller than the sum of its proper divisors (48124572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31340268 is a wasteful number, since it uses less digits than its factorization.

31340268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2681 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 31340268 is about 5598.2379370656. The cubic root of 31340268 is about 315.2832523998.

The spelling of 31340268 in words is "thirty-one million, three hundred forty thousand, two hundred sixty-eight".