313304210231 has 2 divisors, whose sum is σ = 313304210232. Its totient is φ = 313304210230.

The previous prime is 313304210221. The next prime is 313304210239. The reversal of 313304210231 is 132012403313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313304210231 is a prime.

It is a super-2 number, since 2×313304210231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 313304210197 and 313304210206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313304210239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156652105115 + 156652105116.

It is an arithmetic number, because the mean of its divisors is an integer number (156652105116).

Almost surely, 2^313304210231 is an apocalyptic number.

313304210231 is a deficient number, since it is larger than the sum of its proper divisors (1).

313304210231 is an equidigital number, since it uses as much as digits as its factorization.

313304210231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 313304210231 its reverse (132012403313), we get a palindrome (445316613544).

The spelling of 313304210231 in words is "three hundred thirteen billion, three hundred four million, two hundred ten thousand, two hundred thirty-one".