316288369 has 2 divisors, whose sum is σ = 316288370. Its totient is φ = 316288368.

The previous prime is 316288339. The next prime is 316288373. The reversal of 316288369 is 963882613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254083600 + 62204769 = 15940^2 + 7887^2 .

It is an emirp because it is prime and its reverse (963882613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316288369 - 2⁵ = 316288337 is a prime.

It is a super-2 number, since 2×316288369² = 200076664729360322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316288339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158144184 + 158144185.

It is an arithmetic number, because the mean of its divisors is an integer number (158144185).

Almost surely, 2^316288369 is an apocalyptic number.

It is an amenable number.

316288369 is a deficient number, since it is larger than the sum of its proper divisors (1).

316288369 is an equidigital number, since it uses as much as digits as its factorization.

316288369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 316288369 is about 17784.4979968511. The cubic root of 316288369 is about 681.3355880011.

The spelling of 316288369 in words is "three hundred sixteen million, two hundred eighty-eight thousand, three hundred sixty-nine".