43130713 has 2 divisors, whose sum is σ = 43130714. Its totient is φ = 43130712.

The previous prime is 43130707. The next prime is 43130723. The reversal of 43130713 is 31703134.

It is a happy number.

43130713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24571849 + 18558864 = 4957^2 + 4308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43130713 is a prime.

It is not a weakly prime, because it can be changed into another prime (43130723) 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, 21565356 + 21565357.

It is an arithmetic number, because the mean of its divisors is an integer number (21565357).

Almost surely, 2^43130713 is an apocalyptic number.

It is an amenable number.

43130713 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130713 is an equidigital number, since it uses as much as digits as its factorization.

43130713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 43130713 is about 6567.3977342628. The cubic root of 43130713 is about 350.6944389317.

Adding to 43130713 its reverse (31703134), we get a palindrome (74833847).

The spelling of 43130713 in words is "forty-three million, one hundred thirty thousand, seven hundred thirteen".