231420324344 has 48 divisors (see below), whose sum is σ = 488037663960. Its totient is φ = 102744734400.

The previous prime is 231420324329. The next prime is 231420324379. The reversal of 231420324344 is 443423024132.

It is a self number, because there is not a number n which added to its sum of digits gives 231420324344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2738267 + ... + 2821514.

Almost surely, 2^231420324344 is an apocalyptic number.

It is an amenable number.

231420324344 is an abundant number, since it is smaller than the sum of its proper divisors (256617339616).

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

231420324344 is a wasteful number, since it uses less digits than its factorization.

231420324344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559852 (or 5559837 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 231420324344 its reverse (443423024132), we get a palindrome (674843348476).

The spelling of 231420324344 in words is "two hundred thirty-one billion, four hundred twenty million, three hundred twenty-four thousand, three hundred forty-four".