231240113300 has 72 divisors (see below), whose sum is σ = 573691573056. Its totient is φ = 79252450560.

The previous prime is 231240113297. The next prime is 231240113309. The reversal of 231240113300 is 3311042132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240113309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1838219 + ... + 1959981.

Almost surely, 2^231240113300 is an apocalyptic number.

231240113300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231240113300 is an abundant number, since it is smaller than the sum of its proper divisors (342451459756).

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

231240113300 is a wasteful number, since it uses less digits than its factorization.

231240113300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124497 (or 124490 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231240113300 its reverse (3311042132), we get a palindrome (234551155432).

The spelling of 231240113300 in words is "two hundred thirty-one billion, two hundred forty million, one hundred thirteen thousand, three hundred".