231022013200 has 120 divisors (see below), whose sum is σ = 605663038656. Its totient is φ = 83983680000.

The previous prime is 231022013171. The next prime is 231022013221. The reversal of 231022013200 is 2310220132.

231022013200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 23 ways as a sum of consecutive naturals, for example, 23328250 + ... + 23338150.

Almost surely, 2^231022013200 is an apocalyptic number.

231022013200 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 231022013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302831519328).

231022013200 is an abundant number, since it is smaller than the sum of its proper divisors (374641025456).

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

231022013200 is a wasteful number, since it uses less digits than its factorization.

231022013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15233 (or 15222 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 231022013200 its reverse (2310220132), we get a palindrome (233332233332).

231022013200 divided by its reverse (2310220132) gives a square (100 = 10²).

It can be divided in two parts, 23102 and 2013200, that added together give a palindrome (2036302).

The spelling of 231022013200 in words is "two hundred thirty-one billion, twenty-two million, thirteen thousand, two hundred".