43133113 has 2 divisors, whose sum is σ = 43133114. Its totient is φ = 43133112.

The previous prime is 43133099. The next prime is 43133147. The reversal of 43133113 is 31133134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35141184 + 7991929 = 5928^2 + 2827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43133113 is a prime.

It is not a weakly prime, because it can be changed into another prime (43133513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21566556 + 21566557.

It is an arithmetic number, because the mean of its divisors is an integer number (21566557).

Almost surely, 2^43133113 is an apocalyptic number.

It is an amenable number.

43133113 is a deficient number, since it is larger than the sum of its proper divisors (1).

43133113 is an equidigital number, since it uses as much as digits as its factorization.

43133113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 43133113 is about 6567.5804524954. The cubic root of 43133113 is about 350.7009435853.

Adding to 43133113 its reverse (31133134), we get a palindrome (74266247).

The spelling of 43133113 in words is "forty-three million, one hundred thirty-three thousand, one hundred thirteen".