43442412311 has 4 divisors (see below), whose sum is σ = 43442848800. Its totient is φ = 43441975824.

The previous prime is 43442412283. The next prime is 43442412319. The reversal of 43442412311 is 11321424434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43442412311 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 (43442412319) 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, 12050 + ... + 295008.

It is an arithmetic number, because the mean of its divisors is an integer number (10860712200).

Almost surely, 2^43442412311 is an apocalyptic number.

43442412311 is a deficient number, since it is larger than the sum of its proper divisors (436489).

43442412311 is a wasteful number, since it uses less digits than its factorization.

43442412311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436488.

The product of its digits is 9216, while the sum is 29.

Adding to 43442412311 its reverse (11321424434), we get a palindrome (54763836745).

The spelling of 43442412311 in words is "forty-three billion, four hundred forty-two million, four hundred twelve thousand, three hundred eleven".