113231321232 has 40 divisors (see below), whose sum is σ = 293266259520. Its totient is φ = 37646739840.

The previous prime is 113231321221. The next prime is 113231321233. The reversal of 113231321232 is 232123132311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (113231321233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3013444 + ... + 3050787.

It is an arithmetic number, because the mean of its divisors is an integer number (7331656488).

Almost surely, 2^113231321232 is an apocalyptic number.

113231321232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113231321232 is an abundant number, since it is smaller than the sum of its proper divisors (180034938288).

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

113231321232 is a wasteful number, since it uses less digits than its factorization.

113231321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064631 (or 6064625 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 113231321232 its reverse (232123132311), we get a palindrome (345354453543).

The spelling of 113231321232 in words is "one hundred thirteen billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-two".