231012020102320 has 40 divisors (see below), whose sum is σ = 568697237725824. Its totient is φ = 86969231096832.

The previous prime is 231012020102263. The next prime is 231012020102329. The reversal of 231012020102320 is 23201020210132.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (231012020102329) 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, 84930888384 + ... + 84930891103.

Almost surely, 2^{231012020102320} is an apocalyptic number.

231012020102320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231012020102320 is an abundant number, since it is smaller than the sum of its proper divisors (337685217623504).

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

231012020102320 is a wasteful number, since it uses less digits than its factorization.

231012020102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169861779517 (or 169861779511 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231012020102320 its reverse (23201020210132), we get a palindrome (254213040312452).

The spelling of 231012020102320 in words is "two hundred thirty-one trillion, twelve billion, twenty million, one hundred two thousand, three hundred twenty".