131175211 has 2 divisors, whose sum is σ = 131175212. Its totient is φ = 131175210.

The previous prime is 131175197. The next prime is 131175217. The reversal of 131175211 is 112571131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131175211 - 2⁹ = 131174699 is a prime.

It is not a weakly prime, because it can be changed into another prime (131175217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65587605 + 65587606.

It is an arithmetic number, because the mean of its divisors is an integer number (65587606).

Almost surely, 2^131175211 is an apocalyptic number.

131175211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131175211 is an equidigital number, since it uses as much as digits as its factorization.

131175211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210, while the sum is 22.

The square root of 131175211 is about 11453.1747127161. The cubic root of 131175211 is about 508.1016327439.

The spelling of 131175211 in words is "one hundred thirty-one million, one hundred seventy-five thousand, two hundred eleven".