31167214100 has 72 divisors (see below), whose sum is σ = 74882686368. Its totient is φ = 11164348800.

The previous prime is 31167214037. The next prime is 31167214103. The reversal of 31167214100 is 141276113.

It is a self number, because there is not a number n which added to its sum of digits gives 31167214100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31167214103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137747 + ... + 285146.

Almost surely, 2^31167214100 is an apocalyptic number.

It is an amenable number.

31167214100 is an abundant number, since it is smaller than the sum of its proper divisors (43715472268).

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

31167214100 is a wasteful number, since it uses less digits than its factorization.

31167214100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422985 (or 422978 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 31167214100 in words is "thirty-one billion, one hundred sixty-seven million, two hundred fourteen thousand, one hundred".