31068608 has 14 divisors (see below), whose sum is σ = 61651896. Its totient is φ = 15534272.

The previous prime is 31068601. The next prime is 31068613. The reversal of 31068608 is 80686013.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31068601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242660 + ... + 242787.

Almost surely, 2^31068608 is an apocalyptic number.

It is an amenable number.

31068608 is a deficient number, since it is larger than the sum of its proper divisors (30583288).

31068608 is an equidigital number, since it uses as much as digits as its factorization.

31068608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485459 (or 485449 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 31068608 is about 5573.9221379564. The cubic root of 31068608 is about 314.3696405538.

The spelling of 31068608 in words is "thirty-one million, sixty-eight thousand, six hundred eight".