231101113224 has 64 divisors (see below), whose sum is σ = 603072086400. Its totient is φ = 73660015616.

The previous prime is 231101113223. The next prime is 231101113231. The reversal of 231101113224 is 422311101132.

231101113224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231101113224.

It is not an unprimeable number, because it can be changed into a prime (231101113223) 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 15 ways as a sum of consecutive naturals, for example, 1637362 + ... + 1772894.

It is an arithmetic number, because the mean of its divisors is an integer number (9423001350).

Almost surely, 2^231101113224 is an apocalyptic number.

231101113224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231101113224 is an abundant number, since it is smaller than the sum of its proper divisors (371970973176).

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

231101113224 is a wasteful number, since it uses less digits than its factorization.

231101113224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138654 (or 138650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 231101113224 its reverse (422311101132), we get a palindrome (653412214356).

The spelling of 231101113224 in words is "two hundred thirty-one billion, one hundred one million, one hundred thirteen thousand, two hundred twenty-four".