231132230 has 32 divisors (see below), whose sum is σ = 476884800. Its totient is φ = 79009920.

The previous prime is 231132217. The next prime is 231132257. The reversal of 231132230 is 32231132.

231132230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231132199 and 231132208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19700 + ... + 29160.

It is an arithmetic number, because the mean of its divisors is an integer number (14902650).

Almost surely, 2^231132230 is an apocalyptic number.

231132230 is an abundant number, since it is smaller than the sum of its proper divisors (245752570).

231132230 is a wasteful number, since it uses less digits than its factorization.

231132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824.

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

The square root of 231132230 is about 15203.0335788618. The cubic root of 231132230 is about 613.6962975122.

Adding to 231132230 its reverse (32231132), we get a palindrome (263363362).

The spelling of 231132230 in words is "two hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty".