42383331 has 28 divisors (see below), whose sum is σ = 64950432. Its totient is φ = 27632016.

The previous prime is 42383317. The next prime is 42383353. The reversal of 42383331 is 13338324.

It is not a de Polignac number, because 42383331 - 2¹⁸ = 42121187 is a prime.

It is a super-2 number, since 2×42383331² = 3592693493311122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42383295 and 42383304.

It is not an unprimeable number, because it can be changed into a prime (42383531) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33645 + ... + 34881.

Almost surely, 2^42383331 is an apocalyptic number.

42383331 is a deficient number, since it is larger than the sum of its proper divisors (22567101).

42383331 is an equidigital number, since it uses as much as digits as its factorization.

42383331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1287 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 42383331 is about 6510.2481519524. The cubic root of 42383331 is about 348.6569783124.

It can be divided in two parts, 4238 and 3331, that added together give a square (7569 = 87²).

The spelling of 42383331 in words is "forty-two million, three hundred eighty-three thousand, three hundred thirty-one".