200013321231161 has 2 divisors, whose sum is σ = 200013321231162. Its totient is φ = 200013321231160.

The previous prime is 200013321231071. The next prime is 200013321231209. The reversal of 200013321231161 is 161132123310002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193081585344400 + 6931735886761 = 13895380^2 + 2632819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200013321231161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200013321231161.

It is not a weakly prime, because it can be changed into another prime (200013321233161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006660615580 + 100006660615581.

It is an arithmetic number, because the mean of its divisors is an integer number (100006660615581).

Almost surely, 2^{200013321231161} is an apocalyptic number.

It is an amenable number.

200013321231161 is a deficient number, since it is larger than the sum of its proper divisors (1).

200013321231161 is an equidigital number, since it uses as much as digits as its factorization.

200013321231161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 200013321231161 its reverse (161132123310002), we get a palindrome (361145444541163).

The spelling of 200013321231161 in words is "two hundred trillion, thirteen billion, three hundred twenty-one million, two hundred thirty-one thousand, one hundred sixty-one".