31310002112 has 56 divisors (see below), whose sum is σ = 66921888000. Its totient is φ = 14486121216.

The previous prime is 31310002049. The next prime is 31310002123. The reversal of 31310002112 is 21120001313.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 247112 + ... + 351687.

Almost surely, 2^31310002112 is an apocalyptic number.

31310002112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31310002112 is an abundant number, since it is smaller than the sum of its proper divisors (35611885888).

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

31310002112 is a wasteful number, since it uses less digits than its factorization.

31310002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598873 (or 598863 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31310002112 its reverse (21120001313), we get a palindrome (52430003425).

The spelling of 31310002112 in words is "thirty-one billion, three hundred ten million, two thousand, one hundred twelve".