3085215231 has 32 divisors (see below), whose sum is σ = 4961436160. Its totient is φ = 1665899136.

The previous prime is 3085215223. The next prime is 3085215247. The reversal of 3085215231 is 1325125803.

It is not a de Polignac number, because 3085215231 - 2³ = 3085215223 is a prime.

It is a super-2 number, since 2×3085215231² = 19037106043188766722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085213231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148665 + ... + 168141.

It is an arithmetic number, because the mean of its divisors is an integer number (155044880).

Almost surely, 2^3085215231 is an apocalyptic number.

3085215231 is a deficient number, since it is larger than the sum of its proper divisors (1876220929).

3085215231 is a wasteful number, since it uses less digits than its factorization.

3085215231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19903.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 3085215231 is about 55544.7137988846. The cubic root of 3085215231 is about 1455.7780121290.

The spelling of 3085215231 in words is "three billion, eighty-five million, two hundred fifteen thousand, two hundred thirty-one".