3220344340013 has 2 divisors, whose sum is σ = 3220344340014. Its totient is φ = 3220344340012.

The previous prime is 3220344340001. The next prime is 3220344340019. The reversal of 3220344340013 is 3100434430223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3149623979524 + 70720360489 = 1774718^2 + 265933^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220344340013 - 2⁴ = 3220344339997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220344340019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610172170006 + 1610172170007.

It is an arithmetic number, because the mean of its divisors is an integer number (1610172170007).

Almost surely, 2^{3220344340013} is an apocalyptic number.

It is an amenable number.

3220344340013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220344340013 is an equidigital number, since it uses as much as digits as its factorization.

3220344340013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 3220344340013 its reverse (3100434430223), we get a palindrome (6320778770236).

The spelling of 3220344340013 in words is "three trillion, two hundred twenty billion, three hundred forty-four million, three hundred forty thousand, thirteen".