131171 has 2 divisors, whose sum is σ = 131172. Its totient is φ = 131170.

The previous prime is 131149. The next prime is 131203. The reversal of 131171 is 171131.

It is a weak prime.

It is an emirp because it is prime and its reverse (171131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131171 - 2¹⁰ = 130147 is a prime.

It is not a weakly prime, because it can be changed into another prime (131101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65585 + 65586.

It is an arithmetic number, because the mean of its divisors is an integer number (65586).

2¹³¹¹⁷¹ is an apocalyptic number.

131171 is a deficient number, since it is larger than the sum of its proper divisors (1).

131171 is an equidigital number, since it uses as much as digits as its factorization.

131171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21, while the sum is 14.

The square root of 131171 is about 362.1753718849. The cubic root of 131171 is about 50.8096195642.

The spelling of 131171 in words is "one hundred thirty-one thousand, one hundred seventy-one".