313323212132 has 36 divisors (see below), whose sum is σ = 638087006844. Its totient is φ = 134228646720.

The previous prime is 313323212131. The next prime is 313323212141. The reversal of 313323212132 is 231212323313.

It can be written as a sum of positive squares in 2 ways, for example, as 125100860416 + 188222351716 = 353696^2 + 433846^2 .

It is not an unprimeable number, because it can be changed into a prime (313323212131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188582 + ... + 813762.

It is an arithmetic number, because the mean of its divisors is an integer number (17724639079).

Almost surely, 2^313323212132 is an apocalyptic number.

It is an amenable number.

313323212132 is an abundant number, since it is smaller than the sum of its proper divisors (324763794712).

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

313323212132 is a wasteful number, since it uses less digits than its factorization.

313323212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627756 (or 627747 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 313323212132 its reverse (231212323313), we get a palindrome (544535535445).

The spelling of 313323212132 in words is "three hundred thirteen billion, three hundred twenty-three million, two hundred twelve thousand, one hundred thirty-two".