3221213223313 has 4 divisors (see below), whose sum is σ = 3222653195700. Its totient is φ = 3219773250928.

The previous prime is 3221213223269. The next prime is 3221213223317. The reversal of 3221213223313 is 3133223121223.

It is a happy number.

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 2607424021504 + 613789201809 = 1614752^2 + 783447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221213223313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221213223317) 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, 719982838 + ... + 719987311.

It is an arithmetic number, because the mean of its divisors is an integer number (805663298925).

Almost surely, 2^{3221213223313} is an apocalyptic number.

It is an amenable number.

3221213223313 is a deficient number, since it is larger than the sum of its proper divisors (1439972387).

3221213223313 is a wasteful number, since it uses less digits than its factorization.

3221213223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439972386.

The product of its digits is 7776, while the sum is 28.

Adding to 3221213223313 its reverse (3133223121223), we get a palindrome (6354436344536).

The spelling of 3221213223313 in words is "three trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred thirteen".