131131110211 has 2 divisors, whose sum is σ = 131131110212. Its totient is φ = 131131110210.

The previous prime is 131131110197. The next prime is 131131110217. The reversal of 131131110211 is 112011131131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131131110211 - 2⁷ = 131131110083 is a prime.

It is not a weakly prime, because it can be changed into another prime (131131110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565555105 + 65565555106.

It is an arithmetic number, because the mean of its divisors is an integer number (65565555106).

Almost surely, 2^131131110211 is an apocalyptic number.

131131110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131131110211 is an equidigital number, since it uses as much as digits as its factorization.

131131110211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 131131110211 its reverse (112011131131), we get a palindrome (243142241342).

The spelling of 131131110211 in words is "one hundred thirty-one billion, one hundred thirty-one million, one hundred ten thousand, two hundred eleven".