42231103 has 2 divisors, whose sum is σ = 42231104. Its totient is φ = 42231102.

The previous prime is 42231073. The next prime is 42231113. The reversal of 42231103 is 30113224.

It is a happy number.

42231103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42231103 - 2¹⁷ = 42100031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42231113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115551 + 21115552.

It is an arithmetic number, because the mean of its divisors is an integer number (21115552).

Almost surely, 2^42231103 is an apocalyptic number.

42231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231103 is an equidigital number, since it uses as much as digits as its factorization.

42231103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 42231103 is about 6498.5462220407. The cubic root of 42231103 is about 348.2390543799.

Adding to 42231103 its reverse (30113224), we get a palindrome (72344327).

The spelling of 42231103 in words is "forty-two million, two hundred thirty-one thousand, one hundred three".