231043444404 has 24 divisors (see below), whose sum is σ = 562540560960. Its totient is φ = 73666025664.

The previous prime is 231043444391. The next prime is 231043444459. The reversal of 231043444404 is 404444340132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418556689 + ... + 418557240.

It is an arithmetic number, because the mean of its divisors is an integer number (23439190040).

Almost surely, 2^231043444404 is an apocalyptic number.

It is an amenable number.

231043444404 is an abundant number, since it is smaller than the sum of its proper divisors (331497116556).

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

231043444404 is a wasteful number, since it uses less digits than its factorization.

231043444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837113959 (or 837113957 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 231043444404 its reverse (404444340132), we get a palindrome (635487784536).

The spelling of 231043444404 in words is "two hundred thirty-one billion, forty-three million, four hundred forty-four thousand, four hundred four".