231103232 has 36 divisors (see below), whose sum is σ = 485593080. Its totient is φ = 109467648.

The previous prime is 231103231. The next prime is 231103247. The reversal of 231103232 is 232301132.

It is a self number, because there is not a number n which added to its sum of digits gives 231103232.

It is not an unprimeable number, because it can be changed into a prime (231103231) 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, 18893 + ... + 28620.

Almost surely, 2^231103232 is an apocalyptic number.

It is an amenable number.

231103232 is an abundant number, since it is smaller than the sum of its proper divisors (254489848).

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

231103232 is an equidigital number, since it uses as much as digits as its factorization.

231103232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47548 (or 47534 counting only the distinct ones).

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

The square root of 231103232 is about 15202.0798577037. The cubic root of 231103232 is about 613.6706315266.

Adding to 231103232 its reverse (232301132), we get a palindrome (463404364).

The spelling of 231103232 in words is "two hundred thirty-one million, one hundred three thousand, two hundred thirty-two".