2131100171 has 2 divisors, whose sum is σ = 2131100172. Its totient is φ = 2131100170.

The previous prime is 2131100159. The next prime is 2131100201. The reversal of 2131100171 is 1710011312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131100171 - 2²² = 2126905867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2131100141) 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, 1065550085 + 1065550086.

It is an arithmetic number, because the mean of its divisors is an integer number (1065550086).

Almost surely, 2^2131100171 is an apocalyptic number.

2131100171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131100171 is an equidigital number, since it uses as much as digits as its factorization.

2131100171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 2131100171 is about 46163.8405139780. The cubic root of 2131100171 is about 1286.8698362879.

Adding to 2131100171 its reverse (1710011312), we get a palindrome (3841111483).

The spelling of 2131100171 in words is "two billion, one hundred thirty-one million, one hundred thousand, one hundred seventy-one".