13130320113161 has 2 divisors, whose sum is σ = 13130320113162. Its totient is φ = 13130320113160.

The previous prime is 13130320113149. The next prime is 13130320113247. The reversal of 13130320113161 is 16131102303131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10030326050761 + 3099994062400 = 3167069^2 + 1760680^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130320113161 - 2¹⁰ = 13130320112137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13130320113161.

It is not a weakly prime, because it can be changed into another prime (13130320113061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565160056580 + 6565160056581.

It is an arithmetic number, because the mean of its divisors is an integer number (6565160056581).

Almost surely, 2^{13130320113161} is an apocalyptic number.

It is an amenable number.

13130320113161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130320113161 is an equidigital number, since it uses as much as digits as its factorization.

13130320113161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 13130320113161 its reverse (16131102303131), we get a palindrome (29261422416292).

The spelling of 13130320113161 in words is "thirteen trillion, one hundred thirty billion, three hundred twenty million, one hundred thirteen thousand, one hundred sixty-one".