13311161 has 2 divisors, whose sum is σ = 13311162. Its totient is φ = 13311160.

The previous prime is 13311143. The next prime is 13311169. The reversal of 13311161 is 16111331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8667136 + 4644025 = 2944^2 + 2155^2 .

It is an emirp because it is prime and its reverse (16111331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13311161 - 2⁶ = 13311097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13311169) 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, 6655580 + 6655581.

It is an arithmetic number, because the mean of its divisors is an integer number (6655581).

Almost surely, 2^13311161 is an apocalyptic number.

It is an amenable number.

13311161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311161 is an equidigital number, since it uses as much as digits as its factorization.

13311161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 17.

The square root of 13311161 is about 3648.4463816808. The cubic root of 13311161 is about 236.9947063331.

Adding to 13311161 its reverse (16111331), we get a palindrome (29422492).

The spelling of 13311161 in words is "thirteen million, three hundred eleven thousand, one hundred sixty-one".