11313030161 has 2 divisors, whose sum is σ = 11313030162. Its totient is φ = 11313030160.

The previous prime is 11313030139. The next prime is 11313030251. The reversal of 11313030161 is 16103031311.

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., 11232820225 + 80209936 = 105985^2 + 8956^2 .

It is an emirp because it is prime and its reverse (16103031311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11313030161 - 2³⁰ = 10239288337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11313030121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656515080 + 5656515081.

It is an arithmetic number, because the mean of its divisors is an integer number (5656515081).

Almost surely, 2^11313030161 is an apocalyptic number.

It is an amenable number.

11313030161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313030161 is an equidigital number, since it uses as much as digits as its factorization.

11313030161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11313030161 its reverse (16103031311), we get a palindrome (27416061472).

The spelling of 11313030161 in words is "eleven billion, three hundred thirteen million, thirty thousand, one hundred sixty-one".