316751971 has 2 divisors, whose sum is σ = 316751972. Its totient is φ = 316751970.

The previous prime is 316751969. The next prime is 316751999. The reversal of 316751971 is 179157613.

It is a weak prime.

It is an emirp because it is prime and its reverse (179157613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316751971 - 2¹ = 316751969 is a prime.

It is a super-2 number, since 2×316751971² = 200663622264769682, which contains 22 as substring.

Together with 316751969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (316751951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158375985 + 158375986.

It is an arithmetic number, because the mean of its divisors is an integer number (158375986).

Almost surely, 2^316751971 is an apocalyptic number.

316751971 is a deficient number, since it is larger than the sum of its proper divisors (1).

316751971 is an equidigital number, since it uses as much as digits as its factorization.

316751971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 40.

The square root of 316751971 is about 17797.5271035051. The cubic root of 316751971 is about 681.6683163685.

The spelling of 316751971 in words is "three hundred sixteen million, seven hundred fifty-one thousand, nine hundred seventy-one".