3230231021 has 16 divisors (see below), whose sum is σ = 3552854400. Its totient is φ = 2923227648.

The previous prime is 3230231009. The next prime is 3230231041. The reversal of 3230231021 is 1201320323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3230231021 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 (3230231041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348965 + ... + 358101.

It is an arithmetic number, because the mean of its divisors is an integer number (222053400).

Almost surely, 2^3230231021 is an apocalyptic number.

It is an amenable number.

3230231021 is a deficient number, since it is larger than the sum of its proper divisors (322623379).

3230231021 is a wasteful number, since it uses less digits than its factorization.

3230231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9988.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3230231021 is about 56835.1213687452. The cubic root of 3230231021 is about 1478.2385638341.

Adding to 3230231021 its reverse (1201320323), we get a palindrome (4431551344).

The spelling of 3230231021 in words is "three billion, two hundred thirty million, two hundred thirty-one thousand, twenty-one".