42130034281 has 2 divisors, whose sum is σ = 42130034282. Its totient is φ = 42130034280.

The previous prime is 42130034249. The next prime is 42130034311. The reversal of 42130034281 is 18243003124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35611086681 + 6518947600 = 188709^2 + 80740^2 .

It is a cyclic number.

It is not a de Polignac number, because 42130034281 - 2⁵ = 42130034249 is a prime.

It is a super-2 number, since 2×42130034281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42130034081) 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, 21065017140 + 21065017141.

It is an arithmetic number, because the mean of its divisors is an integer number (21065017141).

Almost surely, 2^42130034281 is an apocalyptic number.

It is an amenable number.

42130034281 is a deficient number, since it is larger than the sum of its proper divisors (1).

42130034281 is an equidigital number, since it uses as much as digits as its factorization.

42130034281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 42130034281 in words is "forty-two billion, one hundred thirty million, thirty-four thousand, two hundred eighty-one".