231004421344 has 96 divisors (see below), whose sum is σ = 468251280000. Its totient is φ = 112144564224.

The previous prime is 231004421309. The next prime is 231004421359. The reversal of 231004421344 is 443124400132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49686732 + ... + 49691380.

It is an arithmetic number, because the mean of its divisors is an integer number (4877617500).

Almost surely, 2^231004421344 is an apocalyptic number.

It is an amenable number.

231004421344 is an abundant number, since it is smaller than the sum of its proper divisors (237246858656).

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

231004421344 is a wasteful number, since it uses less digits than its factorization.

231004421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 231004421344 its reverse (443124400132), we get a palindrome (674128821476).

It can be divided in two parts, 23100 and 4421344, that added together give a palindrome (4444444).

The spelling of 231004421344 in words is "two hundred thirty-one billion, four million, four hundred twenty-one thousand, three hundred forty-four".