43216113 has 4 divisors (see below), whose sum is σ = 57621488. Its totient is φ = 28810740.

The previous prime is 43216097. The next prime is 43216133. The reversal of 43216113 is 31161234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43216113 - 2⁴ = 43216097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43216113.

It is not an unprimeable number, because it can be changed into a prime (43216133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7202683 + ... + 7202688.

It is an arithmetic number, because the mean of its divisors is an integer number (14405372).

Almost surely, 2^43216113 is an apocalyptic number.

It is an amenable number.

43216113 is a deficient number, since it is larger than the sum of its proper divisors (14405375).

43216113 is a wasteful number, since it uses less digits than its factorization.

43216113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14405374.

The product of its digits is 432, while the sum is 21.

The square root of 43216113 is about 6573.8963332258. The cubic root of 43216113 is about 350.9257478831.

Adding to 43216113 its reverse (31161234), we get a palindrome (74377347).

The spelling of 43216113 in words is "forty-three million, two hundred sixteen thousand, one hundred thirteen".