171130117 has 2 divisors, whose sum is σ = 171130118. Its totient is φ = 171130116.

The previous prime is 171130081. The next prime is 171130123. The reversal of 171130117 is 711031171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136095556 + 35034561 = 11666^2 + 5919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171130117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171130417) 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, 85565058 + 85565059.

It is an arithmetic number, because the mean of its divisors is an integer number (85565059).

Almost surely, 2^171130117 is an apocalyptic number.

It is an amenable number.

171130117 is a deficient number, since it is larger than the sum of its proper divisors (1).

171130117 is an equidigital number, since it uses as much as digits as its factorization.

171130117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 22.

The square root of 171130117 is about 13081.6710324026. The cubic root of 171130117 is about 555.1906571113.

Adding to 171130117 its reverse (711031171), we get a palindrome (882161288).

The spelling of 171130117 in words is "one hundred seventy-one million, one hundred thirty thousand, one hundred seventeen".