313101431142321 has 16 divisors (see below), whose sum is σ = 418545638400960. Its totient is φ = 208195845196800.

The previous prime is 313101431142287. The next prime is 313101431142329. The reversal of 313101431142321 is 123241134101313.

It is a happy number.

It is not a de Polignac number, because 313101431142321 - 2⁶ = 313101431142257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313101431142329) 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, 2807910 + ... + 25181088.

It is an arithmetic number, because the mean of its divisors is an integer number (26159102400060).

Almost surely, 2^{313101431142321} is an apocalyptic number.

It is an amenable number.

313101431142321 is a deficient number, since it is larger than the sum of its proper divisors (105444207258639).

313101431142321 is a wasteful number, since it uses less digits than its factorization.

313101431142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22385216.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 313101431142321 its reverse (123241134101313), we get a palindrome (436342565243634).

The spelling of 313101431142321 in words is "three hundred thirteen trillion, one hundred one billion, four hundred thirty-one million, one hundred forty-two thousand, three hundred twenty-one".