316825232021 has 4 divisors (see below), whose sum is σ = 316827823200. Its totient is φ = 316822640844.

The previous prime is 316825231903. The next prime is 316825232023. The reversal of 316825232021 is 120232528613.

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 316825232021 - 2²² = 316821037717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316825232023) 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, 1102601 + ... + 1359918.

It is an arithmetic number, because the mean of its divisors is an integer number (79206955800).

Almost surely, 2^316825232021 is an apocalyptic number.

It is an amenable number.

316825232021 is a deficient number, since it is larger than the sum of its proper divisors (2591179).

316825232021 is a wasteful number, since it uses less digits than its factorization.

316825232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591178.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 316825232021 in words is "three hundred sixteen billion, eight hundred twenty-five million, two hundred thirty-two thousand, twenty-one".