231143044224 has 32 divisors (see below), whose sum is σ = 613973712240. Its totient is φ = 77047681280.

The previous prime is 231143044207. The next prime is 231143044243. The reversal of 231143044224 is 422440341132.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 231143044191 and 231143044200.

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, 300967122 + ... + 300967889.

Almost surely, 2^231143044224 is an apocalyptic number.

231143044224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231143044224 is an abundant number, since it is smaller than the sum of its proper divisors (382830668016).

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

231143044224 is an equidigital number, since it uses as much as digits as its factorization.

231143044224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601935028 (or 601935016 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 231143044224 its reverse (422440341132), we get a palindrome (653583385356).

The spelling of 231143044224 in words is "two hundred thirty-one billion, one hundred forty-three million, forty-four thousand, two hundred twenty-four".