43042231171 has 2 divisors, whose sum is σ = 43042231172. Its totient is φ = 43042231170.

The previous prime is 43042231147. The next prime is 43042231241. The reversal of 43042231171 is 17113224034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43042231171 - 2²¹ = 43040134019 is a prime.

It is not a weakly prime, because it can be changed into another prime (43042231871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21521115585 + 21521115586.

It is an arithmetic number, because the mean of its divisors is an integer number (21521115586).

Almost surely, 2^43042231171 is an apocalyptic number.

43042231171 is a deficient number, since it is larger than the sum of its proper divisors (1).

43042231171 is an equidigital number, since it uses as much as digits as its factorization.

43042231171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 43042231171 in words is "forty-three billion, forty-two million, two hundred thirty-one thousand, one hundred seventy-one".