42083231 has 2 divisors, whose sum is σ = 42083232. Its totient is φ = 42083230.

The previous prime is 42083227. The next prime is 42083243. The reversal of 42083231 is 13238024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42083231 - 2² = 42083227 is a prime.

It is a super-2 number, since 2×42083231² = 3541996662798722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2552333 and since 42083231 and 2552333 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 42083197 and 42083206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42083201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21041615 + 21041616.

It is an arithmetic number, because the mean of its divisors is an integer number (21041616).

Almost surely, 2^42083231 is an apocalyptic number.

42083231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42083231 is an equidigital number, since it uses as much as digits as its factorization.

42083231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 42083231 is about 6487.1589313042. The cubic root of 42083231 is about 347.8321266109.

The spelling of 42083231 in words is "forty-two million, eighty-three thousand, two hundred thirty-one".