231434320244 has 12 divisors (see below), whose sum is σ = 408942197664. Its totient is φ = 114593692344.

The previous prime is 231434320153. The next prime is 231434320253. The reversal of 231434320244 is 442023434132.

It is a self number, because there is not a number n which added to its sum of digits gives 231434320244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280866482 + ... + 280867305.

It is an arithmetic number, because the mean of its divisors is an integer number (34078516472).

Almost surely, 2^231434320244 is an apocalyptic number.

It is an amenable number.

231434320244 is a deficient number, since it is larger than the sum of its proper divisors (177507877420).

231434320244 is a wasteful number, since it uses less digits than its factorization.

231434320244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561733894 (or 561733892 counting only the distinct ones).

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

Adding to 231434320244 its reverse (442023434132), we get a palindrome (673457754376).

The spelling of 231434320244 in words is "two hundred thirty-one billion, four hundred thirty-four million, three hundred twenty thousand, two hundred forty-four".