104331181 has 2 divisors, whose sum is σ = 104331182. Its totient is φ = 104331180.

The previous prime is 104331169. The next prime is 104331209. The reversal of 104331181 is 181133401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68211081 + 36120100 = 8259^2 + 6010^2 .

It is an emirp because it is prime and its reverse (181133401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104331181 - 2⁹ = 104330669 is a prime.

It is a super-2 number, since 2×104331181² = 21769990657709522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104331121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52165590 + 52165591.

It is an arithmetic number, because the mean of its divisors is an integer number (52165591).

Almost surely, 2^104331181 is an apocalyptic number.

It is an amenable number.

104331181 is a deficient number, since it is larger than the sum of its proper divisors (1).

104331181 is an equidigital number, since it uses as much as digits as its factorization.

104331181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 104331181 is about 10214.2636053707. The cubic root of 104331181 is about 470.7655864169.

Adding to 104331181 its reverse (181133401), we get a palindrome (285464582).

The spelling of 104331181 in words is "one hundred four million, three hundred thirty-one thousand, one hundred eighty-one".