316565073245 has 4 divisors (see below), whose sum is σ = 379878087900. Its totient is φ = 253252058592.

The previous prime is 316565073233. The next prime is 316565073271. The reversal of 316565073245 is 542370565613.

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 233539261081 + 83025812164 = 483259^2 + 288142^2 .

It is a cyclic number.

It is not a de Polignac number, because 316565073245 - 2⁴ = 316565073229 is a prime.

It is a super-2 number, since 2×316565073245² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316565073245.

It is a congruent number.

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, 31656507320 + ... + 31656507329.

It is an arithmetic number, because the mean of its divisors is an integer number (94969521975).

Almost surely, 2^316565073245 is an apocalyptic number.

It is an amenable number.

316565073245 is a deficient number, since it is larger than the sum of its proper divisors (63313014655).

316565073245 is an equidigital number, since it uses as much as digits as its factorization.

316565073245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63313014654.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 316565073245 in words is "three hundred sixteen billion, five hundred sixty-five million, seventy-three thousand, two hundred forty-five".