316711997 has 4 divisors (see below), whose sum is σ = 361956576. Its totient is φ = 271467420.

The previous prime is 316711979. The next prime is 316711999. The reversal of 316711997 is 799117613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799117613 = 7 ⋅114159659.

It is not a de Polignac number, because 316711997 - 2¹⁶ = 316646461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316711999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22622279 + ... + 22622292.

It is an arithmetic number, because the mean of its divisors is an integer number (90489144).

Almost surely, 2^316711997 is an apocalyptic number.

It is an amenable number.

316711997 is a deficient number, since it is larger than the sum of its proper divisors (45244579).

316711997 is an equidigital number, since it uses as much as digits as its factorization.

316711997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45244578.

The product of its digits is 71442, while the sum is 44.

The square root of 316711997 is about 17796.4040468854. The cubic root of 316711997 is about 681.6396397192.

The spelling of 316711997 in words is "three hundred sixteen million, seven hundred eleven thousand, nine hundred ninety-seven".