43042311101 has 8 divisors (see below), whose sum is σ = 45583621560. Its totient is φ = 40502046208.

The previous prime is 43042311089. The next prime is 43042311131. The reversal of 43042311101 is 10111324034.

It can be written as a sum of positive squares in 4 ways, for example, as 11156851876 + 31885459225 = 105626^2 + 178565^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43042311101 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 (43042311131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175826 + ... + 342051.

It is an arithmetic number, because the mean of its divisors is an integer number (5697952695).

Almost surely, 2^43042311101 is an apocalyptic number.

It is an amenable number.

43042311101 is a deficient number, since it is larger than the sum of its proper divisors (2541310459).

43042311101 is a wasteful number, since it uses less digits than its factorization.

43042311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522783.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 43042311101 its reverse (10111324034), we get a palindrome (53153635135).

The spelling of 43042311101 in words is "forty-three billion, forty-two million, three hundred eleven thousand, one hundred one".