42231322313237 has 2 divisors, whose sum is σ = 42231322313238. Its totient is φ = 42231322313236.

The previous prime is 42231322313161. The next prime is 42231322313267. The reversal of 42231322313237 is 73231322313224.

42231322313237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37575355255876 + 4655967057361 = 6129874^2 + 2157769^2 .

It is a cyclic number.

It is not a de Polignac number, because 42231322313237 - 2²⁰ = 42231321264661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42231322313237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42231322313267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115661156618 + 21115661156619.

It is an arithmetic number, because the mean of its divisors is an integer number (21115661156619).

Almost surely, 2^{42231322313237} is an apocalyptic number.

It is an amenable number.

42231322313237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231322313237 is an equidigital number, since it uses as much as digits as its factorization.

42231322313237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 38.

The spelling of 42231322313237 in words is "forty-two trillion, two hundred thirty-one billion, three hundred twenty-two million, three hundred thirteen thousand, two hundred thirty-seven".