42331118771 has 2 divisors, whose sum is σ = 42331118772. Its totient is φ = 42331118770.

The previous prime is 42331118749. The next prime is 42331118773. The reversal of 42331118771 is 17781113324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42331118771 - 2¹⁸ = 42330856627 is a prime.

Together with 42331118773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42331118773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165559385 + 21165559386.

It is an arithmetic number, because the mean of its divisors is an integer number (21165559386).

Almost surely, 2^42331118771 is an apocalyptic number.

42331118771 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331118771 is an equidigital number, since it uses as much as digits as its factorization.

42331118771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 38.

The spelling of 42331118771 in words is "forty-two billion, three hundred thirty-one million, one hundred eighteen thousand, seven hundred seventy-one".