324113021 has 2 divisors, whose sum is σ = 324113022. Its totient is φ = 324113020.

The previous prime is 324112937. The next prime is 324113051. The reversal of 324113021 is 120311423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287980900 + 36132121 = 16970^2 + 6011^2 .

It is an emirp because it is prime and its reverse (120311423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324113021 - 2²⁶ = 257004157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324113051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162056510 + 162056511.

It is an arithmetic number, because the mean of its divisors is an integer number (162056511).

Almost surely, 2^324113021 is an apocalyptic number.

It is an amenable number.

324113021 is a deficient number, since it is larger than the sum of its proper divisors (1).

324113021 is an equidigital number, since it uses as much as digits as its factorization.

324113021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 324113021 is about 18003.1391984842. The cubic root of 324113021 is about 686.9083984381.

Adding to 324113021 its reverse (120311423), we get a palindrome (444424444).

The spelling of 324113021 in words is "three hundred twenty-four million, one hundred thirteen thousand, twenty-one".