313304320131 has 16 divisors (see below), whose sum is σ = 456628656000. Its totient is φ = 189500872320.

The previous prime is 313304320127. The next prime is 313304320171. The reversal of 313304320131 is 131023403313.

It is a happy number.

It is not a de Polignac number, because 313304320131 - 2² = 313304320127 is a prime.

It is a super-2 number, since 2×313304320131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313304320171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9496630 + ... + 9529563.

It is an arithmetic number, because the mean of its divisors is an integer number (28539291000).

Almost surely, 2^313304320131 is an apocalyptic number.

313304320131 is a deficient number, since it is larger than the sum of its proper divisors (143324335869).

313304320131 is a wasteful number, since it uses less digits than its factorization.

313304320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19026706.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 313304320131 its reverse (131023403313), we get a palindrome (444327723444).

The spelling of 313304320131 in words is "three hundred thirteen billion, three hundred four million, three hundred twenty thousand, one hundred thirty-one".