231203986998533 has 8 divisors (see below), whose sum is σ = 231440372613888. Its totient is φ = 230967649885104.

The previous prime is 231203986998493. The next prime is 231203986998547. The reversal of 231203986998533 is 335899689302132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231203986998533 - 2⁸ = 231203986998277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231203986998583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582966 + ... + 21658247.

It is an arithmetic number, because the mean of its divisors is an integer number (28930046576736).

Almost surely, 2^{231203986998533} is an apocalyptic number.

It is an amenable number.

231203986998533 is a deficient number, since it is larger than the sum of its proper divisors (236385615355).

231203986998533 is a wasteful number, since it uses less digits than its factorization.

231203986998533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250963.

The product of its (nonzero) digits is 453496320, while the sum is 71.

The spelling of 231203986998533 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-three".