316243465 has 4 divisors (see below), whose sum is σ = 379492164. Its totient is φ = 252994768.

The previous prime is 316243441. The next prime is 316243471. The reversal of 316243465 is 564342613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180311184 + 135932281 = 13428^2 + 11659^2 .

It is a cyclic number.

It is not a de Polignac number, because 316243465 - 2¹¹ = 316241417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316243465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31624342 + ... + 31624351.

It is an arithmetic number, because the mean of its divisors is an integer number (94873041).

Almost surely, 2^316243465 is an apocalyptic number.

It is an amenable number.

316243465 is a deficient number, since it is larger than the sum of its proper divisors (63248699).

316243465 is an equidigital number, since it uses as much as digits as its factorization.

316243465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63248698.

The product of its digits is 51840, while the sum is 34.

The square root of 316243465 is about 17783.2355042607. The cubic root of 316243465 is about 681.3033430160.

The spelling of 316243465 in words is "three hundred sixteen million, two hundred forty-three thousand, four hundred sixty-five".