231130203 has 32 divisors (see below), whose sum is σ = 336906240. Its totient is φ = 140555520.

The previous prime is 231130177. The next prime is 231130217. The reversal of 231130203 is 302031132.

It is not a de Polignac number, because 231130203 - 2⁶ = 231130139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231130253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114975 + ... + 116967.

It is an arithmetic number, because the mean of its divisors is an integer number (10528320).

Almost surely, 2^231130203 is an apocalyptic number.

231130203 is a deficient number, since it is larger than the sum of its proper divisors (105776037).

231130203 is a wasteful number, since it uses less digits than its factorization.

231130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 231130203 is about 15202.9669143888. The cubic root of 231130203 is about 613.6945034944.

Adding to 231130203 its reverse (302031132), we get a palindrome (533161335).

The spelling of 231130203 in words is "two hundred thirty-one million, one hundred thirty thousand, two hundred three".