42016231 has 8 divisors (see below), whose sum is σ = 44553024. Its totient is φ = 39486720.

The previous prime is 42016217. The next prime is 42016237. The reversal of 42016231 is 13261024.

42016231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42016231 - 2⁵ = 42016199 is a prime.

It is a super-2 number, since 2×42016231² = 3530727334890722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42016199 and 42016208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42016237) 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 7 ways as a sum of consecutive naturals, for example, 14131 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (5569128).

Almost surely, 2^42016231 is an apocalyptic number.

42016231 is a deficient number, since it is larger than the sum of its proper divisors (2536793).

42016231 is a wasteful number, since it uses less digits than its factorization.

42016231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42016231 is about 6481.9928262842. The cubic root of 42016231 is about 347.6474360142.

Adding to 42016231 its reverse (13261024), we get a palindrome (55277255).

The spelling of 42016231 in words is "forty-two million, sixteen thousand, two hundred thirty-one".