3028816321 has 2 divisors, whose sum is σ = 3028816322. Its totient is φ = 3028816320.

The previous prime is 3028816303. The next prime is 3028816363. The reversal of 3028816321 is 1236188203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2966327296 + 62489025 = 54464^2 + 7905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3028816321 - 2¹⁷ = 3028685249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3028816621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514408160 + 1514408161.

It is an arithmetic number, because the mean of its divisors is an integer number (1514408161).

Almost surely, 2^3028816321 is an apocalyptic number.

It is an amenable number.

3028816321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3028816321 is an equidigital number, since it uses as much as digits as its factorization.

3028816321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 3028816321 is about 55034.6828917911. The cubic root of 3028816321 is about 1446.8526773910.

The spelling of 3028816321 in words is "three billion, twenty-eight million, eight hundred sixteen thousand, three hundred twenty-one".