313431213242 has 16 divisors (see below), whose sum is σ = 560671984512. Its totient is φ = 128487329520.

The previous prime is 313431213229. The next prime is 313431213283. The reversal of 313431213242 is 242312134313.

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, 486694109 + ... + 486694752.

It is an arithmetic number, because the mean of its divisors is an integer number (35041999032).

Almost surely, 2^313431213242 is an apocalyptic number.

313431213242 is a deficient number, since it is larger than the sum of its proper divisors (247240771270).

313431213242 is a wasteful number, since it uses less digits than its factorization.

313431213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973388893.

The product of its digits is 10368, while the sum is 29.

Adding to 313431213242 its reverse (242312134313), we get a palindrome (555743347555).

The spelling of 313431213242 in words is "three hundred thirteen billion, four hundred thirty-one million, two hundred thirteen thousand, two hundred forty-two".