231141203 has 4 divisors (see below), whose sum is σ = 233524200. Its totient is φ = 228758208.

The previous prime is 231141187. The next prime is 231141217. The reversal of 231141203 is 302141132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231141203 - 2⁴ = 231141187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231141233) 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, 1191353 + ... + 1191546.

It is an arithmetic number, because the mean of its divisors is an integer number (58381050).

Almost surely, 2^231141203 is an apocalyptic number.

231141203 is a deficient number, since it is larger than the sum of its proper divisors (2382997).

231141203 is an equidigital number, since it uses as much as digits as its factorization.

231141203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382996.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231141203 is about 15203.3286815750. The cubic root of 231141203 is about 613.7042390350.

Adding to 231141203 its reverse (302141132), we get a palindrome (533282335).

The spelling of 231141203 in words is "two hundred thirty-one million, one hundred forty-one thousand, two hundred three".