316584005081 has 4 divisors (see below), whose sum is σ = 318333088164. Its totient is φ = 314834922000.

The previous prime is 316584005063. The next prime is 316584005093. The reversal of 316584005081 is 180500485613.

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 79715875600 + 236868129481 = 282340^2 + 486691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316584005081 is a prime.

It is a super-2 number, since 2×316584005081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316584005281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874541270 + ... + 874541631.

It is an arithmetic number, because the mean of its divisors is an integer number (79583272041).

Almost surely, 2^316584005081 is an apocalyptic number.

It is an amenable number.

316584005081 is a deficient number, since it is larger than the sum of its proper divisors (1749083083).

316584005081 is a wasteful number, since it uses less digits than its factorization.

316584005081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749083082.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 316584005081 in words is "three hundred sixteen billion, five hundred eighty-four million, five thousand, eighty-one".