42310122137 has 2 divisors, whose sum is σ = 42310122138. Its totient is φ = 42310122136.

The previous prime is 42310122109. The next prime is 42310122139. The reversal of 42310122137 is 73122101324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39437590921 + 2872531216 = 198589^2 + 53596^2 .

It is a cyclic number.

It is not a de Polignac number, because 42310122137 - 2⁶ = 42310122073 is a prime.

Together with 42310122139, 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 (42310122139) 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, 21155061068 + 21155061069.

It is an arithmetic number, because the mean of its divisors is an integer number (21155061069).

Almost surely, 2^42310122137 is an apocalyptic number.

It is an amenable number.

42310122137 is a deficient number, since it is larger than the sum of its proper divisors (1).

42310122137 is an equidigital number, since it uses as much as digits as its factorization.

42310122137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 42310122137 in words is "forty-two billion, three hundred ten million, one hundred twenty-two thousand, one hundred thirty-seven".