3243304321 has 2 divisors, whose sum is σ = 3243304322. Its totient is φ = 3243304320.

The previous prime is 3243304297. The next prime is 3243304331. The reversal of 3243304321 is 1234033423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1811438721 + 1431865600 = 42561^2 + 37840^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243304321 - 2²⁹ = 2706433409 is a prime.

It is not a weakly prime, because it can be changed into another prime (3243304331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621652160 + 1621652161.

It is an arithmetic number, because the mean of its divisors is an integer number (1621652161).

Almost surely, 2^3243304321 is an apocalyptic number.

It is an amenable number.

3243304321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243304321 is an equidigital number, since it uses as much as digits as its factorization.

3243304321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 3243304321 is about 56950.0159877063. The cubic root of 3243304321 is about 1480.2301080307.

Adding to 3243304321 its reverse (1234033423), we get a palindrome (4477337744).

The spelling of 3243304321 in words is "three billion, two hundred forty-three million, three hundred four thousand, three hundred twenty-one".