31210323100112 has 60 divisors (see below), whose sum is σ = 65845157649120. Its totient is φ = 14324290740864.

The previous prime is 31210323100069. The next prime is 31210323100129. The reversal of 31210323100112 is 21100132301213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31756988 + ... + 32725019.

It is an arithmetic number, because the mean of its divisors is an integer number (1097419294152).

Almost surely, 2^{31210323100112} is an apocalyptic number.

It is an amenable number.

31210323100112 is an abundant number, since it is smaller than the sum of its proper divisors (34634834549008).

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

31210323100112 is a wasteful number, since it uses less digits than its factorization.

31210323100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64482220 (or 64482201 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31210323100112 its reverse (21100132301213), we get a palindrome (52310455401325).

The spelling of 31210323100112 in words is "thirty-one trillion, two hundred ten billion, three hundred twenty-three million, one hundred thousand, one hundred twelve".