231332111213100 has 288 divisors, whose sum is σ = 690567313363200. Its totient is φ = 59767161446400.

The previous prime is 231332111213057. The next prime is 231332111213101. The reversal of 231332111213100 is 1312111233132.

It is a super-2 number, since 2×231332111213100² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231332111213101) 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 95 ways as a sum of consecutive naturals, for example, 336717940 + ... + 337404260.

It is an arithmetic number, because the mean of its divisors is an integer number (2397803171400).

Almost surely, 2^{231332111213100} is an apocalyptic number.

231332111213100 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 231332111213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345283656681600).

231332111213100 is an abundant number, since it is smaller than the sum of its proper divisors (459235202150100).

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

231332111213100 is a wasteful number, since it uses less digits than its factorization.

231332111213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686673 (or 686666 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 231332111213100 its reverse (1312111233132), we get a palindrome (232644222446232).

The spelling of 231332111213100 in words is "two hundred thirty-one trillion, three hundred thirty-two billion, one hundred eleven million, two hundred thirteen thousand, one hundred".