313321223012 has 48 divisors (see below), whose sum is σ = 645886160640. Its totient is φ = 130218883200.

The previous prime is 313321222999. The next prime is 313321223041. The reversal of 313321223012 is 210322123313.

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, 1170587 + ... + 1413122.

It is an arithmetic number, because the mean of its divisors is an integer number (13455961680).

Almost surely, 2^313321223012 is an apocalyptic number.

It is an amenable number.

313321223012 is an abundant number, since it is smaller than the sum of its proper divisors (332564937628).

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

313321223012 is a wasteful number, since it uses less digits than its factorization.

313321223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583852 (or 2583850 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 313321223012 its reverse (210322123313), we get a palindrome (523643346325).

The spelling of 313321223012 in words is "three hundred thirteen billion, three hundred twenty-one million, two hundred twenty-three thousand, twelve".