131110211 has 2 divisors, whose sum is σ = 131110212. Its totient is φ = 131110210.

The previous prime is 131110193. The next prime is 131110219. The reversal of 131110211 is 112011131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131110211 - 2¹⁴ = 131093827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131110192 and 131110201.

It is not a weakly prime, because it can be changed into another prime (131110219) 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, 65555105 + 65555106.

It is an arithmetic number, because the mean of its divisors is an integer number (65555106).

Almost surely, 2^131110211 is an apocalyptic number.

131110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131110211 is an equidigital number, since it uses as much as digits as its factorization.

131110211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 131110211 is about 11450.3367199397. The cubic root of 131110211 is about 508.0176939608.

Adding to 131110211 its reverse (112011131), we get a palindrome (243121342).

The spelling of 131110211 in words is "one hundred thirty-one million, one hundred ten thousand, two hundred eleven".