316313251 has 2 divisors, whose sum is σ = 316313252. Its totient is φ = 316313250.

The previous prime is 316313201. The next prime is 316313267. The reversal of 316313251 is 152313613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316313251 - 2¹⁵ = 316280483 is a prime.

It is not a weakly prime, because it can be changed into another prime (316313201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158156625 + 158156626.

It is an arithmetic number, because the mean of its divisors is an integer number (158156626).

Almost surely, 2^316313251 is an apocalyptic number.

316313251 is a deficient number, since it is larger than the sum of its proper divisors (1).

316313251 is an equidigital number, since it uses as much as digits as its factorization.

316313251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 316313251 is about 17785.1975249082. The cubic root of 316313251 is about 681.3534541313.

Adding to 316313251 its reverse (152313613), we get a palindrome (468626864).

The spelling of 316313251 in words is "three hundred sixteen million, three hundred thirteen thousand, two hundred fifty-one".