313220332012 has 48 divisors (see below), whose sum is σ = 636248245248. Its totient is φ = 132141522240.

The previous prime is 313220331947. The next prime is 313220332037. The reversal of 313220332012 is 210233022313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164478 + ... + 1407994.

It is an arithmetic number, because the mean of its divisors is an integer number (13255171776).

Almost surely, 2^313220332012 is an apocalyptic number.

It is an amenable number.

313220332012 is an abundant number, since it is smaller than the sum of its proper divisors (323027913236).

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

313220332012 is a wasteful number, since it uses less digits than its factorization.

313220332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244246 (or 244244 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 313220332012 its reverse (210233022313), we get a palindrome (523453354325).

The spelling of 313220332012 in words is "three hundred thirteen billion, two hundred twenty million, three hundred thirty-two thousand, twelve".