313212131210 has 160 divisors (see below), whose sum is σ = 638685648000. Its totient is φ = 110547536000.

The previous prime is 313212131189. The next prime is 313212131291. The reversal of 313212131210 is 12131212313.

It is a happy number.

It is a super-2 number, since 2×313212131210² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 872457011 + ... + 872457369.

It is an arithmetic number, because the mean of its divisors is an integer number (3991785300).

Almost surely, 2^313212131210 is an apocalyptic number.

313212131210 is an abundant number, since it is smaller than the sum of its proper divisors (325473516790).

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

313212131210 is a wasteful number, since it uses less digits than its factorization.

313212131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 537 counting only the distinct ones).

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

Adding to 313212131210 its reverse (12131212313), we get a palindrome (325343343523).

The spelling of 313212131210 in words is "three hundred thirteen billion, two hundred twelve million, one hundred thirty-one thousand, two hundred ten".