13220302131791 has 2 divisors, whose sum is σ = 13220302131792. Its totient is φ = 13220302131790.

The previous prime is 13220302131749. The next prime is 13220302131809. The reversal of 13220302131791 is 19713120302231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13220302131791 - 2¹⁸ = 13220301869647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220302131721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610151065895 + 6610151065896.

It is an arithmetic number, because the mean of its divisors is an integer number (6610151065896).

Almost surely, 2^{13220302131791} is an apocalyptic number.

13220302131791 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220302131791 is an equidigital number, since it uses as much as digits as its factorization.

13220302131791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 13220302131791 in words is "thirteen trillion, two hundred twenty billion, three hundred two million, one hundred thirty-one thousand, seven hundred ninety-one".