3221323013 has 4 divisors (see below), whose sum is σ = 3410812620. Its totient is φ = 3031833408.

The previous prime is 3221323003. The next prime is 3221323051. The reversal of 3221323013 is 3103231223.

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 2978648929 + 242674084 = 54577^2 + 15578^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221323013 - 2⁴ = 3221322997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221323003) 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 in 3 ways as a sum of consecutive naturals, for example, 94744778 + ... + 94744811.

It is an arithmetic number, because the mean of its divisors is an integer number (852703155).

Almost surely, 2^3221323013 is an apocalyptic number.

It is an amenable number.

3221323013 is a deficient number, since it is larger than the sum of its proper divisors (189489607).

3221323013 is a wasteful number, since it uses less digits than its factorization.

3221323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189489606.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3221323013 is about 56756.7001595406. The cubic root of 3221323013 is about 1476.8784666709.

Adding to 3221323013 its reverse (3103231223), we get a palindrome (6324554236).

The spelling of 3221323013 in words is "three billion, two hundred twenty-one million, three hundred twenty-three thousand, thirteen".