171131083 has 2 divisors, whose sum is σ = 171131084. Its totient is φ = 171131082.

The previous prime is 171131041. The next prime is 171131123. The reversal of 171131083 is 380131171.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171131083 is a prime.

It is not a weakly prime, because it can be changed into another prime (171131003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85565541 + 85565542.

It is an arithmetic number, because the mean of its divisors is an integer number (85565542).

Almost surely, 2^171131083 is an apocalyptic number.

171131083 is a deficient number, since it is larger than the sum of its proper divisors (1).

171131083 is an equidigital number, since it uses as much as digits as its factorization.

171131083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 171131083 is about 13081.7079542390. The cubic root of 171131083 is about 555.1917017611.

The spelling of 171131083 in words is "one hundred seventy-one million, one hundred thirty-one thousand, eighty-three".