43113213111 has 8 divisors (see below), whose sum is σ = 57624834160. Its totient is φ = 28671867072.

The previous prime is 43113213061. The next prime is 43113213163. The reversal of 43113213111 is 11131231134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43113213111 - 2⁹ = 43113212599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43113213191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17567320 + ... + 17569773.

It is an arithmetic number, because the mean of its divisors is an integer number (7203104270).

Almost surely, 2^43113213111 is an apocalyptic number.

43113213111 is a deficient number, since it is larger than the sum of its proper divisors (14511621049).

43113213111 is a wasteful number, since it uses less digits than its factorization.

43113213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35137505.

The product of its digits is 216, while the sum is 21.

Adding to 43113213111 its reverse (11131231134), we get a palindrome (54244444245).

The spelling of 43113213111 in words is "forty-three billion, one hundred thirteen million, two hundred thirteen thousand, one hundred eleven".