231040430344 has 64 divisors (see below), whose sum is σ = 441753399360. Its totient is φ = 113257267200.

The previous prime is 231040430321. The next prime is 231040430347. The reversal of 231040430344 is 443034040132.

It is not an unprimeable number, because it can be changed into a prime (231040430347) 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, 189843624 + ... + 189844840.

It is an arithmetic number, because the mean of its divisors is an integer number (6902396865).

Almost surely, 2^231040430344 is an apocalyptic number.

It is an amenable number.

231040430344 is a deficient number, since it is larger than the sum of its proper divisors (210712969016).

231040430344 is a wasteful number, since it uses less digits than its factorization.

231040430344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 231040430344 its reverse (443034040132), we get a palindrome (674074470476).

The spelling of 231040430344 in words is "two hundred thirty-one billion, forty million, four hundred thirty thousand, three hundred forty-four".