231203112003 has 24 divisors (see below), whose sum is σ = 361128276288. Its totient is φ = 141982048512.

The previous prime is 231203112001. The next prime is 231203112031. The reversal of 231203112003 is 300211302132.

It is not a de Polignac number, because 231203112003 - 2¹ = 231203112001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231203112001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16068676 + ... + 16083057.

It is an arithmetic number, because the mean of its divisors is an integer number (15047011512).

Almost surely, 2^231203112003 is an apocalyptic number.

231203112003 is a deficient number, since it is larger than the sum of its proper divisors (129925164285).

231203112003 is a wasteful number, since it uses less digits than its factorization.

231203112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32151803 (or 32151800 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231203112003 its reverse (300211302132), we get a palindrome (531414414135).

It can be divided in two parts, 231203 and 112003, that added together give a triangular number (343206 = T₈₂₈).

The spelling of 231203112003 in words is "two hundred thirty-one billion, two hundred three million, one hundred twelve thousand, three".