102317161 has 2 divisors, whose sum is σ = 102317162. Its totient is φ = 102317160.

The previous prime is 102317129. The next prime is 102317207. The reversal of 102317161 is 161713201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82246761 + 20070400 = 9069^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 102317161 - 2⁵ = 102317129 is a prime.

It is not a weakly prime, because it can be changed into another prime (102314161) 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, 51158580 + 51158581.

It is an arithmetic number, because the mean of its divisors is an integer number (51158581).

Almost surely, 2^102317161 is an apocalyptic number.

It is an amenable number.

102317161 is a deficient number, since it is larger than the sum of its proper divisors (1).

102317161 is an equidigital number, since it uses as much as digits as its factorization.

102317161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 102317161 is about 10115.1945606597. The cubic root of 102317161 is about 467.7166464202.

The spelling of 102317161 in words is "one hundred two million, three hundred seventeen thousand, one hundred sixty-one".