313022231240 has 32 divisors (see below), whose sum is σ = 704328800760. Its totient is φ = 125203776000.

The previous prime is 313022231177. The next prime is 313022231251. The reversal of 313022231240 is 42132220313.

It can be written as a sum of positive squares in 4 ways, for example, as 272920566724 + 40101664516 = 522418^2 + 200254^2 .

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, 921500 + ... + 1214580.

Almost surely, 2^313022231240 is an apocalyptic number.

It is an amenable number.

313022231240 is an abundant number, since it is smaller than the sum of its proper divisors (391306569520).

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

313022231240 is a wasteful number, since it uses less digits than its factorization.

313022231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319793 (or 319789 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 313022231240 its reverse (42132220313), we get a palindrome (355154451553).

The spelling of 313022231240 in words is "three hundred thirteen billion, twenty-two million, two hundred thirty-one thousand, two hundred forty".