231243332441 has 12 divisors (see below), whose sum is σ = 259584573696. Its totient is φ = 205748414520.

The previous prime is 231243332417. The next prime is 231243332449. The reversal of 231243332441 is 144233342132.

It is a de Polignac number, because none of the positive numbers 2^k-231243332441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231243332398 and 231243332407.

It is not an unprimeable number, because it can be changed into a prime (231243332449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20325185 + ... + 20336558.

It is an arithmetic number, because the mean of its divisors is an integer number (21632047808).

Almost surely, 2^231243332441 is an apocalyptic number.

It is an amenable number.

231243332441 is a deficient number, since it is larger than the sum of its proper divisors (28341241255).

231243332441 is a wasteful number, since it uses less digits than its factorization.

231243332441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40661812 (or 40661801 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 231243332441 its reverse (144233342132), we get a palindrome (375476674573).

The spelling of 231243332441 in words is "two hundred thirty-one billion, two hundred forty-three million, three hundred thirty-two thousand, four hundred forty-one".