313022231251 has 2 divisors, whose sum is σ = 313022231252. Its totient is φ = 313022231250.

The previous prime is 313022231177. The next prime is 313022231257. The reversal of 313022231251 is 152132220313.

It is a strong prime.

It is an emirp because it is prime and its reverse (152132220313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313022231251 - 2⁹ = 313022230739 is a prime.

It is not a weakly prime, because it can be changed into another prime (313022231257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156511115625 + 156511115626.

It is an arithmetic number, because the mean of its divisors is an integer number (156511115626).

Almost surely, 2^313022231251 is an apocalyptic number.

313022231251 is a deficient number, since it is larger than the sum of its proper divisors (1).

313022231251 is an equidigital number, since it uses as much as digits as its factorization.

313022231251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 313022231251 its reverse (152132220313), we get a palindrome (465154451564).

The spelling of 313022231251 in words is "three hundred thirteen billion, twenty-two million, two hundred thirty-one thousand, two hundred fifty-one".