3309304321 has 4 divisors (see below), whose sum is σ = 3309477444. Its totient is φ = 3309131200.

The previous prime is 3309304253. The next prime is 3309304333. The reversal of 3309304321 is 1234039033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163328400 + 3145975921 = 12780^2 + 56089^2 .

It is a cyclic number.

It is not a de Polignac number, because 3309304321 - 2¹¹ = 3309302273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3309304321.

It is not an unprimeable number, because it can be changed into a prime (3309304121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53740 + ... + 97501.

It is an arithmetic number, because the mean of its divisors is an integer number (827369361).

Almost surely, 2^3309304321 is an apocalyptic number.

It is an amenable number.

3309304321 is a deficient number, since it is larger than the sum of its proper divisors (173123).

3309304321 is a wasteful number, since it uses less digits than its factorization.

3309304321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173122.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3309304321 is about 57526.5531819872. The cubic root of 3309304321 is about 1490.2034647002.

The spelling of 3309304321 in words is "three billion, three hundred nine million, three hundred four thousand, three hundred twenty-one".