231255192100 has 81 divisors (see below), whose sum is σ = 529834975761. Its totient is φ = 87598922400.

The previous prime is 231255192097. The next prime is 231255192107. The reversal of 231255192100 is 1291552132.

The square root of 231255192100 is 480890.

It is a perfect power (a square), and thus also a powerful number.

231255192100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 83251869156 + 148003322944 = 288534^2 + 384712^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231255192107) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 91367835 + ... + 91370365.

Almost surely, 2^231255192100 is an apocalyptic number.

231255192100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

231255192100 is the 480890-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231255192100

231255192100 is an abundant number, since it is smaller than the sum of its proper divisors (298579783661).

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

231255192100 is an equidigital number, since it uses as much as digits as its factorization.

231255192100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 231255192100 in words is "two hundred thirty-one billion, two hundred fifty-five million, one hundred ninety-two thousand, one hundred".