231232021322000 has 160 divisors (see below), whose sum is σ = 579675488870400. Its totient is φ = 89118294336000.

The previous prime is 231232021321993. The next prime is 231232021322063. The reversal of 231232021322000 is 223120232132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6054881 + ... + 22341119.

It is an arithmetic number, because the mean of its divisors is an integer number (3622971805440).

Almost surely, 2^{231232021322000} is an apocalyptic number.

231232021322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231232021322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289837744435200).

231232021322000 is an abundant number, since it is smaller than the sum of its proper divisors (348443467548400).

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

231232021322000 is a wasteful number, since it uses less digits than its factorization.

231232021322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286522 (or 16286506 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231232021322000 its reverse (223120232132), we get a palindrome (231455141554132).

The spelling of 231232021322000 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, twenty-one million, three hundred twenty-two thousand".