321243300052 has 12 divisors (see below), whose sum is σ = 591763973920. Its totient is φ = 152167878936.

The previous prime is 321243300041. The next prime is 321243300067. The reversal of 321243300052 is 250003342123.

It is a congruent number.

It is an unprimeable number.

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, 2113442688 + ... + 2113442839.

Almost surely, 2^321243300052 is an apocalyptic number.

It is an amenable number.

321243300052 is a deficient number, since it is larger than the sum of its proper divisors (270520673868).

321243300052 is a wasteful number, since it uses less digits than its factorization.

321243300052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226885550 (or 4226885548 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 321243300052 its reverse (250003342123), we get a palindrome (571246642175).

The spelling of 321243300052 in words is "three hundred twenty-one billion, two hundred forty-three million, three hundred thousand, fifty-two".