313132321015212 has 36 divisors (see below), whose sum is σ = 732145461454680. Its totient is φ = 104163111998784.

The previous prime is 313132321015207. The next prime is 313132321015231. The reversal of 313132321015212 is 212510123231313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 313132321015212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52166137 + ... + 57858192.

Almost surely, 2^{313132321015212} is an apocalyptic number.

It is an amenable number.

313132321015212 is an abundant number, since it is smaller than the sum of its proper divisors (419013140439468).

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

313132321015212 is a wasteful number, since it uses less digits than its factorization.

313132321015212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110025310 (or 110024821 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 313132321015212 its reverse (212510123231313), we get a palindrome (525642444246525).

The spelling of 313132321015212 in words is "three hundred thirteen trillion, one hundred thirty-two billion, three hundred twenty-one million, fifteen thousand, two hundred twelve".