316565042873 has 4 divisors (see below), whose sum is σ = 316622826240. Its totient is φ = 316507259508.

The previous prime is 316565042803. The next prime is 316565042879. The reversal of 316565042873 is 378240565613.

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.

It is a cyclic number.

It is not a de Polignac number, because 316565042873 - 2³² = 312270075577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316565042879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28883465 + ... + 28894422.

It is an arithmetic number, because the mean of its divisors is an integer number (79155706560).

Almost surely, 2^316565042873 is an apocalyptic number.

It is an amenable number.

316565042873 is a deficient number, since it is larger than the sum of its proper divisors (57783367).

316565042873 is an equidigital number, since it uses as much as digits as its factorization.

316565042873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57783366.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 316565042873 in words is "three hundred sixteen billion, five hundred sixty-five million, forty-two thousand, eight hundred seventy-three".