31212310100132 has 12 divisors (see below), whose sum is σ = 62424620200320. Its totient is φ = 13376704328616.

The previous prime is 31212310100099. The next prime is 31212310100149. The reversal of 31212310100132 is 23100101321213.

It is a happy number.

31212310100132 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557362680332 + ... + 557362680387.

It is an arithmetic number, because the mean of its divisors is an integer number (5202051683360).

Almost surely, 2^{31212310100132} is an apocalyptic number.

It is an amenable number.

31212310100132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31212310100132 is a wasteful number, since it uses less digits than its factorization.

31212310100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114725360730 (or 1114725360728 counting only the distinct ones).

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

Adding to 31212310100132 its reverse (23100101321213), we get a palindrome (54312411421345).

The spelling of 31212310100132 in words is "thirty-one trillion, two hundred twelve billion, three hundred ten million, one hundred thousand, one hundred thirty-two".