2315717171 has 2 divisors, whose sum is σ = 2315717172. Its totient is φ = 2315717170.

The previous prime is 2315717059. The next prime is 2315717189. The reversal of 2315717171 is 1717175132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2315717171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2315747171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157858585 + 1157858586.

It is an arithmetic number, because the mean of its divisors is an integer number (1157858586).

Almost surely, 2^2315717171 is an apocalyptic number.

2315717171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315717171 is an equidigital number, since it uses as much as digits as its factorization.

2315717171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10290, while the sum is 35.

The square root of 2315717171 is about 48121.8990793173. The cubic root of 2315717171 is about 1323.0060757822.

The spelling of 2315717171 in words is "two billion, three hundred fifteen million, seven hundred seventeen thousand, one hundred seventy-one".