324220353421 has 16 divisors (see below), whose sum is σ = 334363206528. Its totient is φ = 314238254400.

The previous prime is 324220353407. The next prime is 324220353439. The reversal of 324220353421 is 124353022423.

It is a cyclic number.

It is not a de Polignac number, because 324220353421 - 2³⁵ = 289860615053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324220353491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8109346 + ... + 8149228.

It is an arithmetic number, because the mean of its divisors is an integer number (20897700408).

Almost surely, 2^324220353421 is an apocalyptic number.

It is an amenable number.

324220353421 is a deficient number, since it is larger than the sum of its proper divisors (10142853107).

324220353421 is a wasteful number, since it uses less digits than its factorization.

324220353421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41892.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 324220353421 its reverse (124353022423), we get a palindrome (448573375844).

The spelling of 324220353421 in words is "three hundred twenty-four billion, two hundred twenty million, three hundred fifty-three thousand, four hundred twenty-one".