231032122112 has 36 divisors (see below), whose sum is σ = 503085578856. Its totient is φ = 105014599680.

The previous prime is 231032122109. The next prime is 231032122199. The reversal of 231032122112 is 211221230132.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41018513 + ... + 41024144.

Almost surely, 2^231032122112 is an apocalyptic number.

231032122112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231032122112 is an abundant number, since it is smaller than the sum of its proper divisors (272053456744).

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

231032122112 is an equidigital number, since it uses as much as digits as its factorization.

231032122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82042684 (or 82042670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231032122112 its reverse (211221230132), we get a palindrome (442253352244).

The spelling of 231032122112 in words is "two hundred thirty-one billion, thirty-two million, one hundred twenty-two thousand, one hundred twelve".