31372068 has 48 divisors (see below), whose sum is σ = 90097280. Its totient is φ = 8273664.

The previous prime is 31372051. The next prime is 31372111. The reversal of 31372068 is 86027313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13273 + ... + 15456.

Almost surely, 2^31372068 is an apocalyptic number.

It is an amenable number.

31372068 is an abundant number, since it is smaller than the sum of its proper divisors (58725212).

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

31372068 is a wasteful number, since it uses less digits than its factorization.

31372068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28756 (or 28754 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 31372068 is about 5601.0773963587. The cubic root of 31372068 is about 315.3898524062.

The spelling of 31372068 in words is "thirty-one million, three hundred seventy-two thousand, sixty-eight".