31000108 has 12 divisors (see below), whose sum is σ = 54310032. Its totient is φ = 15482960.

The previous prime is 31000087. The next prime is 31000127. The reversal of 31000108 is 80100013.

It is a super-2 number, since 2×31000108² = 1922013392023328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366 + ... + 7882.

It is an arithmetic number, because the mean of its divisors is an integer number (4525836).

Almost surely, 2^31000108 is an apocalyptic number.

It is an amenable number.

31000108 is a deficient number, since it is larger than the sum of its proper divisors (23309924).

31000108 is a wasteful number, since it uses less digits than its factorization.

31000108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552 (or 8550 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 31000108 is about 5567.7740615079. The cubic root of 31000108 is about 314.1384300442.

The spelling of 31000108 in words is "thirty-one million, one hundred eight", and thus it is an aban number.