32420320320013 has 2 divisors, whose sum is σ = 32420320320014. Its totient is φ = 32420320320012.

The previous prime is 32420320319987. The next prime is 32420320320019. The reversal of 32420320320013 is 31002302302423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28634346125449 + 3785974194564 = 5351107^2 + 1945758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32420320320013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32420320320013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32420320320019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210160160006 + 16210160160007.

It is an arithmetic number, because the mean of its divisors is an integer number (16210160160007).

Almost surely, 2^{32420320320013} is an apocalyptic number.

It is an amenable number.

32420320320013 is a deficient number, since it is larger than the sum of its proper divisors (1).

32420320320013 is an equidigital number, since it uses as much as digits as its factorization.

32420320320013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 32420320320013 its reverse (31002302302423), we get a palindrome (63422622622436).

The spelling of 32420320320013 in words is "thirty-two trillion, four hundred twenty billion, three hundred twenty million, three hundred twenty thousand, thirteen".