233301231 has 6 divisors (see below), whose sum is σ = 336990680. Its totient is φ = 155534148.

The previous prime is 233301227. The next prime is 233301239. The reversal of 233301231 is 132103332.

It is not a de Polignac number, because 233301231 - 2² = 233301227 is a prime.

It is a super-2 number, since 2×233301231² = 108858928772230722, 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 (233301239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12961171 + ... + 12961188.

Almost surely, 2^233301231 is an apocalyptic number.

233301231 is a deficient number, since it is larger than the sum of its proper divisors (103689449).

233301231 is a wasteful number, since it uses less digits than its factorization.

233301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25922365 (or 25922362 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 233301231 is about 15274.2014848567. The cubic root of 233301231 is about 615.6100153911.

Adding to 233301231 its reverse (132103332), we get a palindrome (365404563).

The spelling of 233301231 in words is "two hundred thirty-three million, three hundred one thousand, two hundred thirty-one".