313230312012 has 24 divisors (see below), whose sum is σ = 739082761200. Its totient is φ = 103236956416.

The previous prime is 313230311971. The next prime is 313230312049. The reversal of 313230312012 is 210213032313.

It is a super-2 number, since 2×313230312012² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313230312012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146642337 + ... + 146644472.

It is an arithmetic number, because the mean of its divisors is an integer number (30795115050).

Almost surely, 2^313230312012 is an apocalyptic number.

It is an amenable number.

313230312012 is an abundant number, since it is smaller than the sum of its proper divisors (425852449188).

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

313230312012 is a wasteful number, since it uses less digits than its factorization.

313230312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293286905 (or 293286903 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 313230312012 its reverse (210213032313), we get a palindrome (523443344325).

The spelling of 313230312012 in words is "three hundred thirteen billion, two hundred thirty million, three hundred twelve thousand, twelve".