42967231 has 4 divisors (see below), whose sum is σ = 43511200. Its totient is φ = 42423264.

The previous prime is 42967229. The next prime is 42967247. The reversal of 42967231 is 13276924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42967231 - 2¹ = 42967229 is a prime.

It is a super-2 number, since 2×42967231² = 3692365879614722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42967261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271866 + ... + 272023.

It is an arithmetic number, because the mean of its divisors is an integer number (10877800).

Almost surely, 2^42967231 is an apocalyptic number.

42967231 is a deficient number, since it is larger than the sum of its proper divisors (543969).

42967231 is an equidigital number, since it uses as much as digits as its factorization.

42967231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543968.

The product of its digits is 18144, while the sum is 34.

The square root of 42967231 is about 6554.9394352656. The cubic root of 42967231 is about 350.2507889643.

The spelling of 42967231 in words is "forty-two million, nine hundred sixty-seven thousand, two hundred thirty-one".