104319181 has 2 divisors, whose sum is σ = 104319182. Its totient is φ = 104319180.

The previous prime is 104319151. The next prime is 104319203. The reversal of 104319181 is 181913401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61873956 + 42445225 = 7866^2 + 6515^2 .

It is an emirp because it is prime and its reverse (181913401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104319181 - 2¹⁹ = 103794893 is a prime.

It is a super-2 number, since 2×104319181² = 21764983049021522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104319151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52159590 + 52159591.

It is an arithmetic number, because the mean of its divisors is an integer number (52159591).

Almost surely, 2^104319181 is an apocalyptic number.

It is an amenable number.

104319181 is a deficient number, since it is larger than the sum of its proper divisors (1).

104319181 is an equidigital number, since it uses as much as digits as its factorization.

104319181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 104319181 is about 10213.6761746200. The cubic root of 104319181 is about 470.7475368316.

The spelling of 104319181 in words is "one hundred four million, three hundred nineteen thousand, one hundred eighty-one".