31166000 has 40 divisors (see below), whose sum is σ = 75364224. Its totient is φ = 12465600.

The previous prime is 31165999. The next prime is 31166011. The reversal of 31166000 is 66113.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 31166000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5792 + ... + 9791.

Almost surely, 2^31166000 is an apocalyptic number.

It is an amenable number.

31166000 is an abundant number, since it is smaller than the sum of its proper divisors (44198224).

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

31166000 is a wasteful number, since it uses less digits than its factorization.

31166000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606 (or 15590 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 31166000 is about 5582.6516996854. The cubic root of 31166000 is about 314.6977869090.

The spelling of 31166000 in words is "thirty-one million, one hundred sixty-six thousand".