321255345244 has 12 divisors (see below), whose sum is σ = 562927934800. Its totient is φ = 160418792448.

The previous prime is 321255345227. The next prime is 321255345247. The reversal of 321255345244 is 442543552123.

It is a junction number, because it is equal to n+sod(n) for n = 321255345197 and 321255345206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321255345247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52216584 + ... + 52222735.

Almost surely, 2^321255345244 is an apocalyptic number.

It is an amenable number.

321255345244 is a deficient number, since it is larger than the sum of its proper divisors (241672589556).

321255345244 is a wasteful number, since it uses less digits than its factorization.

321255345244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104440092 (or 104440090 counting only the distinct ones).

The product of its digits is 576000, while the sum is 40.

Adding to 321255345244 its reverse (442543552123), we get a palindrome (763798897367).

The spelling of 321255345244 in words is "three hundred twenty-one billion, two hundred fifty-five million, three hundred forty-five thousand, two hundred forty-four".