231031122330203 has 32 divisors (see below), whose sum is σ = 261148725153792. Its totient is φ = 202789775865600.

The previous prime is 231031122330149. The next prime is 231031122330221. The reversal of 231031122330203 is 302033221130132.

It is a cyclic number.

It is not a de Polignac number, because 231031122330203 - 2¹⁴ = 231031122313819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231031122339203) 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, 33022226 + ... + 39402152.

It is an arithmetic number, because the mean of its divisors is an integer number (8160897661056).

Almost surely, 2^{231031122330203} is an apocalyptic number.

231031122330203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231031122330203 is a deficient number, since it is larger than the sum of its proper divisors (30117602823589).

231031122330203 is a wasteful number, since it uses less digits than its factorization.

231031122330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380675.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 231031122330203 its reverse (302033221130132), we get a palindrome (533064343460335).

The spelling of 231031122330203 in words is "two hundred thirty-one trillion, thirty-one billion, one hundred twenty-two million, three hundred thirty thousand, two hundred three".