313101123231 has 16 divisors (see below), whose sum is σ = 456291269504. Its totient is φ = 189801827424.

The previous prime is 313101123163. The next prime is 313101123271. The reversal of 313101123231 is 132321101313.

It is a happy number.

It is not a de Polignac number, because 313101123231 - 2⁷ = 313101123103 is a prime.

It is a super-2 number, since 2×313101123231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313101123198 and 313101123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313101123271) 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, 59909581 + ... + 59914806.

It is an arithmetic number, because the mean of its divisors is an integer number (28518204344).

Almost surely, 2^313101123231 is an apocalyptic number.

313101123231 is a deficient number, since it is larger than the sum of its proper divisors (143190146273).

313101123231 is a wasteful number, since it uses less digits than its factorization.

313101123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119824470.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 313101123231 its reverse (132321101313), we get a palindrome (445422224544).

The spelling of 313101123231 in words is "three hundred thirteen billion, one hundred one million, one hundred twenty-three thousand, two hundred thirty-one".