43130215 has 4 divisors (see below), whose sum is σ = 51756264. Its totient is φ = 34504168.

The previous prime is 43130189. The next prime is 43130231. The reversal of 43130215 is 51203134.

43130215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43130215 - 2⁵ = 43130183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43130192 and 43130201.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4313017 + ... + 4313026.

It is an arithmetic number, because the mean of its divisors is an integer number (12939066).

Almost surely, 2^43130215 is an apocalyptic number.

43130215 is a deficient number, since it is larger than the sum of its proper divisors (8626049).

43130215 is an equidigital number, since it uses as much as digits as its factorization.

43130215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626048.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 43130215 is about 6567.3598195926. The cubic root of 43130215 is about 350.6930891859.

Adding to 43130215 its reverse (51203134), we get a palindrome (94333349).

The spelling of 43130215 in words is "forty-three million, one hundred thirty thousand, two hundred fifteen".