316317689 has 4 divisors (see below), whose sum is σ = 330070656. Its totient is φ = 302564724.

The previous prime is 316317647. The next prime is 316317697. The reversal of 316317689 is 986713613.

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: 986713613 = 61 ⋅16175633.

It is a de Polignac number, because none of the positive numbers 2^k-316317689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316317619) 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 in 3 ways as a sum of consecutive naturals, for example, 6876449 + ... + 6876494.

It is an arithmetic number, because the mean of its divisors is an integer number (82517664).

Almost surely, 2^316317689 is an apocalyptic number.

It is an amenable number.

316317689 is a deficient number, since it is larger than the sum of its proper divisors (13752967).

316317689 is a wasteful number, since it uses less digits than its factorization.

316317689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13752966.

The product of its digits is 163296, while the sum is 44.

The square root of 316317689 is about 17785.3222911478. The cubic root of 316317689 is about 681.3566406692.

The spelling of 316317689 in words is "three hundred sixteen million, three hundred seventeen thousand, six hundred eighty-nine".