42331321139 has 2 divisors, whose sum is σ = 42331321140. Its totient is φ = 42331321138.

The previous prime is 42331321051. The next prime is 42331321213. The reversal of 42331321139 is 93112313324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42331321139 - 2²⁰ = 42330272563 is a prime.

It is not a weakly prime, because it can be changed into another prime (42331321639) 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, 21165660569 + 21165660570.

It is an arithmetic number, because the mean of its divisors is an integer number (21165660570).

Almost surely, 2^42331321139 is an apocalyptic number.

42331321139 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331321139 is an equidigital number, since it uses as much as digits as its factorization.

42331321139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The spelling of 42331321139 in words is "forty-two billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-nine".