316309963 has 2 divisors, whose sum is σ = 316309964. Its totient is φ = 316309962.

The previous prime is 316309937. The next prime is 316309969. The reversal of 316309963 is 369903613.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316309963 - 2⁹ = 316309451 is a prime.

It is a super-2 number, since 2×316309963² = 200103985386122738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316309969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158154981 + 158154982.

It is an arithmetic number, because the mean of its divisors is an integer number (158154982).

Almost surely, 2^316309963 is an apocalyptic number.

316309963 is a deficient number, since it is larger than the sum of its proper divisors (1).

316309963 is an equidigital number, since it uses as much as digits as its factorization.

316309963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 316309963 is about 17785.1050882473. The cubic root of 316309963 is about 681.3510932882.

The spelling of 316309963 in words is "three hundred sixteen million, three hundred nine thousand, nine hundred sixty-three".