231203986998532 has 12 divisors (see below), whose sum is σ = 404624629647196. Its totient is φ = 115596949956480.

The previous prime is 231203986998493. The next prime is 231203986998547. The reversal of 231203986998532 is 235899689302132.

It can be written as a sum of positive squares in 2 ways, for example, as 118767145065156 + 112436841933376 = 10898034^2 + 10603624^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260782553 + ... + 1260965920.

Almost surely, 2^{231203986998532} is an apocalyptic number.

It is an amenable number.

231203986998532 is a deficient number, since it is larger than the sum of its proper divisors (173420642648664).

231203986998532 is a wasteful number, since it uses less digits than its factorization.

231203986998532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521771398 (or 2521771396 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 70.

The spelling of 231203986998532 in words is "two hundred thirty-one trillion, two hundred three billion, nine hundred eighty-six million, nine hundred ninety-eight thousand, five hundred thirty-two".