42231135 has 16 divisors (see below), whose sum is σ = 67706496. Its totient is φ = 22477728.

The previous prime is 42231131. The next prime is 42231169. The reversal of 42231135 is 53113224.

42231135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42231135 - 2² = 42231131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231131) 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 in 15 ways as a sum of consecutive naturals, for example, 5632 + ... + 10778.

It is an arithmetic number, because the mean of its divisors is an integer number (4231656).

Almost surely, 2^42231135 is an apocalyptic number.

42231135 is a deficient number, since it is larger than the sum of its proper divisors (25475361).

42231135 is a wasteful number, since it uses less digits than its factorization.

42231135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702.

The product of its digits is 720, while the sum is 21.

The square root of 42231135 is about 6498.5486841294. The cubic root of 42231135 is about 348.2391423376.

Adding to 42231135 its reverse (53113224), we get a palindrome (95344359).

The spelling of 42231135 in words is "forty-two million, two hundred thirty-one thousand, one hundred thirty-five".