42030404333171 has 2 divisors, whose sum is σ = 42030404333172. Its totient is φ = 42030404333170.

The previous prime is 42030404333161. The next prime is 42030404333233. The reversal of 42030404333171 is 17133340403024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42030404333171 - 2¹⁴ = 42030404316787 is a prime.

It is not a weakly prime, because it can be changed into another prime (42030404333161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015202166585 + 21015202166586.

It is an arithmetic number, because the mean of its divisors is an integer number (21015202166586).

Almost surely, 2^{42030404333171} is an apocalyptic number.

42030404333171 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030404333171 is an equidigital number, since it uses as much as digits as its factorization.

42030404333171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 42030404333171 its reverse (17133340403024), we get a palindrome (59163744736195).

The spelling of 42030404333171 in words is "forty-two trillion, thirty billion, four hundred four million, three hundred thirty-three thousand, one hundred seventy-one".