43143043311 has 16 divisors (see below), whose sum is σ = 63920007520. Its totient is φ = 28760054400.

The previous prime is 43143043283. The next prime is 43143043319. The reversal of 43143043311 is 11334034134.

43143043311 is a `hidden beast` number, since 4 + 314 + 30 + 4 + 3 + 311 = 666.

43143043311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43143043311 - 2²⁷ = 43008825583 is a prime.

It is a super-2 number, since 2×43143043311² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143043319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420711 + ... + 513111.

It is an arithmetic number, because the mean of its divisors is an integer number (3995000470).

Almost surely, 2^43143043311 is an apocalyptic number.

43143043311 is a deficient number, since it is larger than the sum of its proper divisors (20776964209).

43143043311 is a wasteful number, since it uses less digits than its factorization.

43143043311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109703 (or 109697 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 43143043311 its reverse (11334034134), we get a palindrome (54477077445).

The spelling of 43143043311 in words is "forty-three billion, one hundred forty-three million, forty-three thousand, three hundred eleven".