316996081 has 2 divisors, whose sum is σ = 316996082. Its totient is φ = 316996080.

The previous prime is 316996079. The next prime is 316996091. The reversal of 316996081 is 180699613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179989056 + 137007025 = 13416^2 + 11705^2 .

It is a cyclic number.

It is not a de Polignac number, because 316996081 - 2¹ = 316996079 is a prime.

It is a super-2 number, since 2×316996081² = 200973030738717122, which contains 22 as substring.

Together with 316996079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (316996091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158498040 + 158498041.

It is an arithmetic number, because the mean of its divisors is an integer number (158498041).

Almost surely, 2^316996081 is an apocalyptic number.

It is an amenable number.

316996081 is a deficient number, since it is larger than the sum of its proper divisors (1).

316996081 is an equidigital number, since it uses as much as digits as its factorization.

316996081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 316996081 is about 17804.3837579401. The cubic root of 316996081 is about 681.8433842865.

The spelling of 316996081 in words is "three hundred sixteen million, nine hundred ninety-six thousand, eighty-one".