43031142041 has 4 divisors (see below), whose sum is σ = 43035498084. Its totient is φ = 43026786000.

The previous prime is 43031141983. The next prime is 43031142047. The reversal of 43031142041 is 14024113034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39664705600 + 3366436441 = 199160^2 + 58021^2 .

It is a cyclic number.

It is not a de Polignac number, because 43031142041 - 2³⁰ = 41957400217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43031141998 and 43031142016.

It is not an unprimeable number, because it can be changed into a prime (43031142047) 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 3 ways as a sum of consecutive naturals, for example, 2163170 + ... + 2182971.

It is an arithmetic number, because the mean of its divisors is an integer number (10758874521).

Almost surely, 2^43031142041 is an apocalyptic number.

It is an amenable number.

43031142041 is a deficient number, since it is larger than the sum of its proper divisors (4356043).

43031142041 is an equidigital number, since it uses as much as digits as its factorization.

43031142041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356042.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 43031142041 its reverse (14024113034), we get a palindrome (57055255075).

The spelling of 43031142041 in words is "forty-three billion, thirty-one million, one hundred forty-two thousand, forty-one".