324120344220321 has 8 divisors (see below), whose sum is σ = 471447773411424. Its totient is φ = 196436572254720.

The previous prime is 324120344220311. The next prime is 324120344220353. The reversal of 324120344220321 is 123022443021423.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 324120344220321 - 2²⁹ = 324119807349409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 9821828612737 = 324120344220321 / (3 + 2 + 4 + 1 + 2 + 0 + 3 + 4 + 4 + 2 + 2 + 0 + 3 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (324120344220311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4910914306336 + ... + 4910914306401.

It is an arithmetic number, because the mean of its divisors is an integer number (58930971676428).

Almost surely, 2^{324120344220321} is an apocalyptic number.

It is an amenable number.

324120344220321 is a deficient number, since it is larger than the sum of its proper divisors (147327429191103).

324120344220321 is a wasteful number, since it uses less digits than its factorization.

324120344220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9821828612751.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 324120344220321 its reverse (123022443021423), we get a palindrome (447142787241744).

The spelling of 324120344220321 in words is "three hundred twenty-four trillion, one hundred twenty billion, three hundred forty-four million, two hundred twenty thousand, three hundred twenty-one".