231032230 has 32 divisors (see below), whose sum is σ = 488563488. Its totient is φ = 77548800.

The previous prime is 231032209. The next prime is 231032233. The reversal of 231032230 is 32230132.

231032230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231032233) 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, 79351 + ... + 82210.

It is an arithmetic number, because the mean of its divisors is an integer number (15267609).

Almost surely, 2^231032230 is an apocalyptic number.

231032230 is an abundant number, since it is smaller than the sum of its proper divisors (257531258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231032230 is a wasteful number, since it uses less digits than its factorization.

231032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161592.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 231032230 is about 15199.7444057458. The cubic root of 231032230 is about 613.6077789437.

Adding to 231032230 its reverse (32230132), we get a palindrome (263262362).

The spelling of 231032230 in words is "two hundred thirty-one million, thirty-two thousand, two hundred thirty".