316649351 has 2 divisors, whose sum is σ = 316649352. Its totient is φ = 316649350.

The previous prime is 316649297. The next prime is 316649369. The reversal of 316649351 is 153946613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316649351 - 2¹⁰ = 316648327 is a prime.

It is a super-2 number, since 2×316649351² = 200533622977442402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316649551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158324675 + 158324676.

It is an arithmetic number, because the mean of its divisors is an integer number (158324676).

Almost surely, 2^316649351 is an apocalyptic number.

316649351 is a deficient number, since it is larger than the sum of its proper divisors (1).

316649351 is an equidigital number, since it uses as much as digits as its factorization.

316649351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 316649351 is about 17794.6438851695. The cubic root of 316649351 is about 681.5946937187.

The spelling of 316649351 in words is "three hundred sixteen million, six hundred forty-nine thousand, three hundred fifty-one".