3221203332013 has 4 divisors (see below), whose sum is σ = 3223930855068. Its totient is φ = 3218475808960.

The previous prime is 3221203331977. The next prime is 3221203332037. The reversal of 3221203332013 is 3102333021223.

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 1285996824324 + 1935206507689 = 1134018^2 + 1391117^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221203332013 - 2⁹ = 3221203331501 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 (3221203332073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363759756 + ... + 1363762117.

It is an arithmetic number, because the mean of its divisors is an integer number (805982713767).

Almost surely, 2^{3221203332013} is an apocalyptic number.

It is an amenable number.

3221203332013 is a deficient number, since it is larger than the sum of its proper divisors (2727523055).

3221203332013 is a wasteful number, since it uses less digits than its factorization.

3221203332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727523054.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 3221203332013 its reverse (3102333021223), we get a palindrome (6323536353236).

The spelling of 3221203332013 in words is "three trillion, two hundred twenty-one billion, two hundred three million, three hundred thirty-two thousand, thirteen".