316997047 has 2 divisors, whose sum is σ = 316997048. Its totient is φ = 316997046.

The previous prime is 316996997. The next prime is 316997111. The reversal of 316997047 is 740799613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316997047 - 2⁷ = 316996919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316996988 and 316997006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316994047) 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, 158498523 + 158498524.

It is an arithmetic number, because the mean of its divisors is an integer number (158498524).

Almost surely, 2^316997047 is an apocalyptic number.

316997047 is a deficient number, since it is larger than the sum of its proper divisors (1).

316997047 is an equidigital number, since it uses as much as digits as its factorization.

316997047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 316997047 is about 17804.4108860698. The cubic root of 316997047 is about 681.8440768923.

The spelling of 316997047 in words is "three hundred sixteen million, nine hundred ninety-seven thousand, forty-seven".