3171135161 has 2 divisors, whose sum is σ = 3171135162. Its totient is φ = 3171135160.

The previous prime is 3171135089. The next prime is 3171135193. The reversal of 3171135161 is 1615311713.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3003588025 + 167547136 = 54805^2 + 12944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3171135161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3171135361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585567580 + 1585567581.

It is an arithmetic number, because the mean of its divisors is an integer number (1585567581).

Almost surely, 2^3171135161 is an apocalyptic number.

It is an amenable number.

3171135161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3171135161 is an equidigital number, since it uses as much as digits as its factorization.

3171135161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 29.

The square root of 3171135161 is about 56312.8330045648. The cubic root of 3171135161 is about 1469.1684193227.

Adding to 3171135161 its reverse (1615311713), we get a palindrome (4786446874).

The spelling of 3171135161 in words is "three billion, one hundred seventy-one million, one hundred thirty-five thousand, one hundred sixty-one".