231442443441 has 24 divisors (see below), whose sum is σ = 368308062720. Its totient is φ = 138879348000.

The previous prime is 231442443391. The next prime is 231442443451. The reversal of 231442443441 is 144344244132.

231442443441 is a `hidden beast` number, since 2 + 31 + 44 + 244 + 344 + 1 = 666.

It is not a de Polignac number, because 231442443441 - 2⁶ = 231442443377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231442443396 and 231442443405.

It is not an unprimeable number, because it can be changed into a prime (231442443451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11563281 + ... + 11583278.

It is an arithmetic number, because the mean of its divisors is an integer number (15346169280).

Almost surely, 2^231442443441 is an apocalyptic number.

It is an amenable number.

231442443441 is a deficient number, since it is larger than the sum of its proper divisors (136865619279).

231442443441 is a wasteful number, since it uses less digits than its factorization.

231442443441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23146677 (or 23146674 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 231442443441 its reverse (144344244132), we get a palindrome (375786687573).

The spelling of 231442443441 in words is "two hundred thirty-one billion, four hundred forty-two million, four hundred forty-three thousand, four hundred forty-one".