42231033 has 12 divisors (see below), whose sum is σ = 65692900. Its totient is φ = 25988256.

The previous prime is 42231019. The next prime is 42231041. The reversal of 42231033 is 33013224.

It can be written as a sum of positive squares in 2 ways, for example, as 3143529 + 39087504 = 1773^2 + 6252^2 .

It is not a de Polignac number, because 42231033 - 2⁸ = 42230777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42230997 and 42231015.

It is not an unprimeable number, because it can be changed into a prime (42231073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180358 + ... + 180591.

Almost surely, 2^42231033 is an apocalyptic number.

It is an amenable number.

42231033 is a deficient number, since it is larger than the sum of its proper divisors (23461867).

42231033 is a wasteful number, since it uses less digits than its factorization.

42231033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360968 (or 360965 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42231033 is about 6498.5408362185. The cubic root of 42231033 is about 348.2388619724.

Adding to 42231033 its reverse (33013224), we get a palindrome (75244257).

The spelling of 42231033 in words is "forty-two million, two hundred thirty-one thousand, thirty-three".