231431123404203 has 16 divisors (see below), whose sum is σ = 319919813760000. Its totient is φ = 148658391692640.

The previous prime is 231431123404157. The next prime is 231431123404231. The reversal of 231431123404203 is 302404321134132.

231431123404203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231431123404203 - 2²⁴ = 231431106626987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231431123404603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5433399453 + ... + 5433442046.

It is an arithmetic number, because the mean of its divisors is an integer number (19994988360000).

Almost surely, 2^{231431123404203} is an apocalyptic number.

231431123404203 is a deficient number, since it is larger than the sum of its proper divisors (88488690355797).

231431123404203 is a wasteful number, since it uses less digits than its factorization.

231431123404203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866841762.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 231431123404203 its reverse (302404321134132), we get a palindrome (533835444538335).

The spelling of 231431123404203 in words is "two hundred thirty-one trillion, four hundred thirty-one billion, one hundred twenty-three million, four hundred four thousand, two hundred three".