231301233100 has 144 divisors (see below), whose sum is σ = 592898052096. Its totient is φ = 76645728000.

The previous prime is 231301233083. The next prime is 231301233101. The reversal of 231301233100 is 1332103132.

It is a super-2 number, since 2×231301233100² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231301233101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17809209 + ... + 17822191.

It is an arithmetic number, because the mean of its divisors is an integer number (4117347584).

Almost surely, 2^231301233100 is an apocalyptic number.

231301233100 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 231301233100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296449026048).

231301233100 is an abundant number, since it is smaller than the sum of its proper divisors (361596818996).

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

231301233100 is a wasteful number, since it uses less digits than its factorization.

231301233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856 (or 13849 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231301233100 its reverse (1332103132), we get a palindrome (232633336232).

The spelling of 231301233100 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty-three thousand, one hundred".