31173068 has 12 divisors (see below), whose sum is σ = 54602352. Its totient is φ = 15572400.

The previous prime is 31173041. The next prime is 31173097. The reversal of 31173068 is 86037113.

It is a self number, because there is not a number n which added to its sum of digits gives 31173068.

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, 2618 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (4550196).

Almost surely, 2^31173068 is an apocalyptic number.

It is an amenable number.

31173068 is a deficient number, since it is larger than the sum of its proper divisors (23429284).

31173068 is a wasteful number, since it uses less digits than its factorization.

31173068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7070 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 31173068 is about 5583.2846963056. The cubic root of 31173068 is about 314.7215747530.

The spelling of 31173068 in words is "thirty-one million, one hundred seventy-three thousand, sixty-eight".