316985269 has 4 divisors (see below), whose sum is σ = 319481344. Its totient is φ = 314489196.

The previous prime is 316985237. The next prime is 316985299. The reversal of 316985269 is 962589613.

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: 962589613 = 337 ⋅2856349.

It is a cyclic number.

It is not a de Polignac number, because 316985269 - 2⁵ = 316985237 is a prime.

It is a super-2 number, since 2×316985269² = 200959321526004722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316985299) 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 in 3 ways as a sum of consecutive naturals, for example, 1247847 + ... + 1248100.

It is an arithmetic number, because the mean of its divisors is an integer number (79870336).

Almost surely, 2^316985269 is an apocalyptic number.

It is an amenable number.

316985269 is a deficient number, since it is larger than the sum of its proper divisors (2496075).

316985269 is a wasteful number, since it uses less digits than its factorization.

316985269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496074.

The product of its digits is 699840, while the sum is 49.

The square root of 316985269 is about 17804.0801222641. The cubic root of 316985269 is about 681.8356321670.

The spelling of 316985269 in words is "three hundred sixteen million, nine hundred eighty-five thousand, two hundred sixty-nine".