231232331100 has 72 divisors (see below), whose sum is σ = 677092913280. Its totient is φ = 60919033280.

The previous prime is 231232331051. The next prime is 231232331117. The reversal of 231232331100 is 1133232132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4618320 + ... + 4668119.

It is an arithmetic number, because the mean of its divisors is an integer number (9404068240).

Almost surely, 2^231232331100 is an apocalyptic number.

231232331100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231232331100 is an abundant number, since it is smaller than the sum of its proper divisors (445860582180).

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

231232331100 is a wasteful number, since it uses less digits than its factorization.

231232331100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9286539 (or 9286532 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231232331100 its reverse (1133232132), we get a palindrome (232365563232).

The spelling of 231232331100 in words is "two hundred thirty-one billion, two hundred thirty-two million, three hundred thirty-one thousand, one hundred".