42201030281 has 2 divisors, whose sum is σ = 42201030282. Its totient is φ = 42201030280.

The previous prime is 42201030217. The next prime is 42201030293. The reversal of 42201030281 is 18203010224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25008575881 + 17192454400 = 158141^2 + 131120^2 .

It is a cyclic number.

It is not a de Polignac number, because 42201030281 - 2⁶ = 42201030217 is a prime.

It is a super-2 number, since 2×42201030281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42201030181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100515140 + 21100515141.

It is an arithmetic number, because the mean of its divisors is an integer number (21100515141).

Almost surely, 2^42201030281 is an apocalyptic number.

It is an amenable number.

42201030281 is a deficient number, since it is larger than the sum of its proper divisors (1).

42201030281 is an equidigital number, since it uses as much as digits as its factorization.

42201030281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 42201030281 in words is "forty-two billion, two hundred one million, thirty thousand, two hundred eighty-one".