42030340811 has 2 divisors, whose sum is σ = 42030340812. Its totient is φ = 42030340810.

The previous prime is 42030340777. The next prime is 42030340853. The reversal of 42030340811 is 11804303024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42030340811 - 2²² = 42026146507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42030340861) 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, 21015170405 + 21015170406.

It is an arithmetic number, because the mean of its divisors is an integer number (21015170406).

Almost surely, 2^42030340811 is an apocalyptic number.

42030340811 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030340811 is an equidigital number, since it uses as much as digits as its factorization.

42030340811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 42030340811 its reverse (11804303024), we get a palindrome (53834643835).

The spelling of 42030340811 in words is "forty-two billion, thirty million, three hundred forty thousand, eight hundred eleven".