316996091 has 2 divisors, whose sum is σ = 316996092. Its totient is φ = 316996090.

The previous prime is 316996081. The next prime is 316996103. The reversal of 316996091 is 190699613.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316996091 - 2¹⁸ = 316733947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316996081) 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, 158498045 + 158498046.

It is an arithmetic number, because the mean of its divisors is an integer number (158498046).

Almost surely, 2^316996091 is an apocalyptic number.

316996091 is a deficient number, since it is larger than the sum of its proper divisors (1).

316996091 is an equidigital number, since it uses as much as digits as its factorization.

316996091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 316996091 is about 17804.3840387698. The cubic root of 316996091 is about 681.8433914563.

The spelling of 316996091 in words is "three hundred sixteen million, nine hundred ninety-six thousand, ninety-one".