316985099 has 2 divisors, whose sum is σ = 316985100. Its totient is φ = 316985098.

The previous prime is 316985093. The next prime is 316985143. The reversal of 316985099 is 990589613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316985099 - 2¹² = 316981003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316985093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158492549 + 158492550.

It is an arithmetic number, because the mean of its divisors is an integer number (158492550).

Almost surely, 2^316985099 is an apocalyptic number.

316985099 is a deficient number, since it is larger than the sum of its proper divisors (1).

316985099 is an equidigital number, since it uses as much as digits as its factorization.

316985099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 316985099 is about 17804.0753480769. The cubic root of 316985099 is about 681.8355102769.

The spelling of 316985099 in words is "three hundred sixteen million, nine hundred eighty-five thousand, ninety-nine".