231243003 has 12 divisors (see below), whose sum is σ = 334214400. Its totient is φ = 154071216.

The previous prime is 231242969. The next prime is 231243011. The reversal of 231243003 is 300342132.

231243003 is a `hidden beast` number, since 231 + 2 + 430 + 0 + 3 = 666.

It is not a de Polignac number, because 231243003 - 2¹⁷ = 231111931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231203003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10950 + ... + 24132.

It is an arithmetic number, because the mean of its divisors is an integer number (27851200).

Almost surely, 2^231243003 is an apocalyptic number.

231243003 is a deficient number, since it is larger than the sum of its proper divisors (102971397).

231243003 is a wasteful number, since it uses less digits than its factorization.

231243003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15138 (or 15135 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 231243003 is about 15206.6762640624. The cubic root of 231243003 is about 613.7943223854.

Adding to 231243003 its reverse (300342132), we get a palindrome (531585135).

The spelling of 231243003 in words is "two hundred thirty-one million, two hundred forty-three thousand, three".