231201320323320 has 96 divisors (see below), whose sum is σ = 768878809498800. Its totient is φ = 60219878777856.

The previous prime is 231201320323313. The next prime is 231201320323339. The reversal of 231201320323320 is 23323023102132.

231201320323320 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 0 + 1 + 320 + 3 + 2 + 332 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7467727425 + ... + 7467758384.

Almost surely, 2^{231201320323320} is an apocalyptic number.

231201320323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231201320323320 is an abundant number, since it is smaller than the sum of its proper divisors (537677489175480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231201320323320 is a wasteful number, since it uses less digits than its factorization.

231201320323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14935485869 (or 14935485862 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 231201320323320 its reverse (23323023102132), we get a palindrome (254524343425452).

The spelling of 231201320323320 in words is "two hundred thirty-one trillion, two hundred one billion, three hundred twenty million, three hundred twenty-three thousand, three hundred twenty".