2100233231 has 4 divisors (see below), whose sum is σ = 2100727200. Its totient is φ = 2099739264.

The previous prime is 2100233203. The next prime is 2100233297. The reversal of 2100233231 is 1323320012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100233231 - 2²² = 2096038927 is a prime.

It is a super-2 number, since 2×2100233231² = 8821959249193398722, 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 (2100233831) 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, 240551 + ... + 249128.

It is an arithmetic number, because the mean of its divisors is an integer number (525181800).

Almost surely, 2^2100233231 is an apocalyptic number.

2100233231 is a deficient number, since it is larger than the sum of its proper divisors (493969).

2100233231 is an equidigital number, since it uses as much as digits as its factorization.

2100233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493968.

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

The square root of 2100233231 is about 45828.3016377435. The cubic root of 2100233231 is about 1280.6265712895.

Adding to 2100233231 its reverse (1323320012), we get a palindrome (3423553243).

The spelling of 2100233231 in words is "two billion, one hundred million, two hundred thirty-three thousand, two hundred thirty-one".