316788019 has 2 divisors, whose sum is σ = 316788020. Its totient is φ = 316788018.

The previous prime is 316788001. The next prime is 316788029. The reversal of 316788019 is 910887613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316788019 - 2⁵ = 316787987 is a prime.

It is a super-2 number, since 2×316788019² = 200709297963888722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316788029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158394009 + 158394010.

It is an arithmetic number, because the mean of its divisors is an integer number (158394010).

Almost surely, 2^316788019 is an apocalyptic number.

316788019 is a deficient number, since it is larger than the sum of its proper divisors (1).

316788019 is an equidigital number, since it uses as much as digits as its factorization.

316788019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 316788019 is about 17798.5397996577. The cubic root of 316788019 is about 681.6941745053.

The spelling of 316788019 in words is "three hundred sixteen million, seven hundred eighty-eight thousand, nineteen".