43130105 has 16 divisors (see below), whose sum is σ = 56693520. Its totient is φ = 31352832.

The previous prime is 43130099. The next prime is 43130107. The reversal of 43130105 is 50103134.

43130105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3225616 + 39904489 = 1796^2 + 6317^2 .

It is a cyclic number.

It is not a de Polignac number, because 43130105 - 2⁶ = 43130041 is a prime.

It is a super-2 number, since 2×43130105² = 3720411914622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43130107) 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 in 15 ways as a sum of consecutive naturals, for example, 6284 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (3543345).

Almost surely, 2^43130105 is an apocalyptic number.

It is an amenable number.

43130105 is a deficient number, since it is larger than the sum of its proper divisors (13563415).

43130105 is a wasteful number, since it uses less digits than its factorization.

43130105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17548.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 43130105 is about 6567.3514448368. The cubic root of 43130105 is about 350.6927910478.

Adding to 43130105 its reverse (50103134), we get a palindrome (93233239).

The spelling of 43130105 in words is "forty-three million, one hundred thirty thousand, one hundred five".