324220013421 has 4 divisors (see below), whose sum is σ = 432293351232. Its totient is φ = 216146675612.

The previous prime is 324220013399. The next prime is 324220013461. The reversal of 324220013421 is 124310022423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 324220013421 - 2¹⁰ = 324220012397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 324220013391 and 324220013400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324220013461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54036668901 + ... + 54036668906.

It is an arithmetic number, because the mean of its divisors is an integer number (108073337808).

Almost surely, 2^324220013421 is an apocalyptic number.

It is an amenable number.

324220013421 is a deficient number, since it is larger than the sum of its proper divisors (108073337811).

324220013421 is a wasteful number, since it uses less digits than its factorization.

324220013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108073337810.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 324220013421 its reverse (124310022423), we get a palindrome (448530035844).

The spelling of 324220013421 in words is "three hundred twenty-four billion, two hundred twenty million, thirteen thousand, four hundred twenty-one".