43042213311 has 8 divisors (see below), whose sum is σ = 57396169344. Its totient is φ = 28691533080.

The previous prime is 43042213309. The next prime is 43042213327. The reversal of 43042213311 is 11331224034.

It is a happy number.

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

It is not a de Polignac number, because 43042213311 - 2¹ = 43042213309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042213391) 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, 788125 + ... + 840966.

It is an arithmetic number, because the mean of its divisors is an integer number (7174521168).

Almost surely, 2^43042213311 is an apocalyptic number.

43042213311 is a deficient number, since it is larger than the sum of its proper divisors (14353956033).

43042213311 is a wasteful number, since it uses less digits than its factorization.

43042213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637901.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 43042213311 its reverse (11331224034), we get a palindrome (54373437345).

The spelling of 43042213311 in words is "forty-three billion, forty-two million, two hundred thirteen thousand, three hundred eleven".