231112440125 has 16 divisors (see below), whose sum is σ = 329632372992. Its totient is φ = 158477101200.

The previous prime is 231112440121. The next prime is 231112440227. The reversal of 231112440125 is 521044211132.

It is a happy number.

It is not a de Polignac number, because 231112440125 - 2² = 231112440121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231112440094 and 231112440103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231112440121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132063377 + ... + 132065126.

It is an arithmetic number, because the mean of its divisors is an integer number (20602023312).

Almost surely, 2^231112440125 is an apocalyptic number.

231112440125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231112440125 is a deficient number, since it is larger than the sum of its proper divisors (98519932867).

231112440125 is an equidigital number, since it uses as much as digits as its factorization.

231112440125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264128525 (or 264128515 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 231112440125 its reverse (521044211132), we get a palindrome (752156651257).

The spelling of 231112440125 in words is "two hundred thirty-one billion, one hundred twelve million, four hundred forty thousand, one hundred twenty-five".