231402244404 has 24 divisors (see below), whose sum is σ = 563414160960. Its totient is φ = 73780425664.

The previous prime is 231402244391. The next prime is 231402244417. The reversal of 231402244404 is 404442204132.

It is an interprime number because it is at equal distance from previous prime (231402244391) and next prime (231402244417).

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, 419206689 + ... + 419207240.

It is an arithmetic number, because the mean of its divisors is an integer number (23475590040).

Almost surely, 2^231402244404 is an apocalyptic number.

It is an amenable number.

231402244404 is an abundant number, since it is smaller than the sum of its proper divisors (332011916556).

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

231402244404 is a wasteful number, since it uses less digits than its factorization.

231402244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838413959 (or 838413957 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 231402244404 its reverse (404442204132), we get a palindrome (635844448536).

The spelling of 231402244404 in words is "two hundred thirty-one billion, four hundred two million, two hundred forty-four thousand, four hundred four".