324341432221 has 2 divisors, whose sum is σ = 324341432222. Its totient is φ = 324341432220.

The previous prime is 324341432213. The next prime is 324341432227. The reversal of 324341432221 is 122234143423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193886105625 + 130455326596 = 440325^2 + 361186^2 .

It is a cyclic number.

It is not a de Polignac number, because 324341432221 - 2³ = 324341432213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324341432227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162170716110 + 162170716111.

It is an arithmetic number, because the mean of its divisors is an integer number (162170716111).

Almost surely, 2^324341432221 is an apocalyptic number.

It is an amenable number.

324341432221 is a deficient number, since it is larger than the sum of its proper divisors (1).

324341432221 is an equidigital number, since it uses as much as digits as its factorization.

324341432221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 31.

Adding to 324341432221 its reverse (122234143423), we get a palindrome (446575575644).

The spelling of 324341432221 in words is "three hundred twenty-four billion, three hundred forty-one million, four hundred thirty-two thousand, two hundred twenty-one".