31348012 has 6 divisors (see below), whose sum is σ = 54859028. Its totient is φ = 15674004.

The previous prime is 31348007. The next prime is 31348061. The reversal of 31348012 is 21084313.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3918498 + ... + 3918505.

Almost surely, 2^31348012 is an apocalyptic number.

It is an amenable number.

31348012 is a deficient number, since it is larger than the sum of its proper divisors (23511016).

31348012 is a wasteful number, since it uses less digits than its factorization.

31348012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837007 (or 7837005 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 31348012 is about 5598.9295405461. The cubic root of 31348012 is about 315.3092184874.

The spelling of 31348012 in words is "thirty-one million, three hundred forty-eight thousand, twelve".