316852089021 has 12 divisors (see below), whose sum is σ = 492881027548. Its totient is φ = 194985900864.

The previous prime is 316852089013. The next prime is 316852089031. The reversal of 316852089021 is 120980258613.

316852089021 is a `hidden beast` number, since 3 + 16 + 8 + 520 + 8 + 90 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70825176900 + 246026912121 = 266130^2 + 496011^2 .

It is not a de Polignac number, because 316852089021 - 2³ = 316852089013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316852089031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1354068640 + ... + 1354068873.

Almost surely, 2^316852089021 is an apocalyptic number.

It is an amenable number.

316852089021 is a deficient number, since it is larger than the sum of its proper divisors (176028938527).

316852089021 is a wasteful number, since it uses less digits than its factorization.

316852089021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708137532 (or 2708137529 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 316852089021 in words is "three hundred sixteen billion, eight hundred fifty-two million, eighty-nine thousand, twenty-one".