313310022131231 has 4 divisors (see below), whose sum is σ = 313310398380264. Its totient is φ = 313309645882200.

The previous prime is 313310022131209. The next prime is 313310022131237. The reversal of 313310022131231 is 132131220013313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313310022131231 - 2³⁰ = 313308948389407 is a prime.

It is a super-2 number, since 2×313310022131231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313310022131231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313310022131237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186872660 + ... + 188541801.

It is an arithmetic number, because the mean of its divisors is an integer number (78327599595066).

Almost surely, 2^{313310022131231} is an apocalyptic number.

313310022131231 is a deficient number, since it is larger than the sum of its proper divisors (376249033).

313310022131231 is an equidigital number, since it uses as much as digits as its factorization.

313310022131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376249032.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 313310022131231 its reverse (132131220013313), we get a palindrome (445441242144544).

The spelling of 313310022131231 in words is "three hundred thirteen trillion, three hundred ten billion, twenty-two million, one hundred thirty-one thousand, two hundred thirty-one".