313103332330321 has 16 divisors (see below), whose sum is σ = 339886454426064. Its totient is φ = 286708618957824.

The previous prime is 313103332330303. The next prime is 313103332330343. The reversal of 313103332330321 is 123033233301313.

It can be written as a sum of positive squares in 8 ways, for example, as 1630956313921 + 311472376016400 = 1277089^2 + 17648580^2 .

It is a cyclic number.

It is not a de Polignac number, because 313103332330321 - 2⁷ = 313103332330193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313103332330361) 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, 58788366 + ... + 63892711.

It is an arithmetic number, because the mean of its divisors is an integer number (21242903401629).

Almost surely, 2^{313103332330321} is an apocalyptic number.

It is an amenable number.

313103332330321 is a deficient number, since it is larger than the sum of its proper divisors (26783122095743).

313103332330321 is a wasteful number, since it uses less digits than its factorization.

313103332330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122682660.

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 313103332330321 its reverse (123033233301313), we get a palindrome (436136565631634).

The spelling of 313103332330321 in words is "three hundred thirteen trillion, one hundred three billion, three hundred thirty-two million, three hundred thirty thousand, three hundred twenty-one".