31100310032112 has 60 divisors (see below), whose sum is σ = 87169349235384. Its totient is φ = 10351086514560.

The previous prime is 31100310032093. The next prime is 31100310032131. The reversal of 31100310032112 is 21123001300113.

31100310032112 is a `hidden beast` number, since 31 + 1 + 0 + 0 + 310 + 0 + 321 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (31100310032093) and next prime (31100310032131).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163274238 + ... + 163464605.

Almost surely, 2^{31100310032112} is an apocalyptic number.

It is an amenable number.

31100310032112 is an abundant number, since it is smaller than the sum of its proper divisors (56069039203272).

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

31100310032112 is a wasteful number, since it uses less digits than its factorization.

31100310032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326739518 (or 326739509 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31100310032112 its reverse (21123001300113), we get a palindrome (52223311332225).

The spelling of 31100310032112 in words is "thirty-one trillion, one hundred billion, three hundred ten million, thirty-two thousand, one hundred twelve".