42800431 has 4 divisors (see below), whose sum is σ = 42903000. Its totient is φ = 42697864.

The previous prime is 42800413. The next prime is 42800449. The reversal of 42800431 is 13400824.

42800431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (42800413) and next prime (42800449).

It is a cyclic number.

It is not a de Polignac number, because 42800431 - 2⁹ = 42799919 is a prime.

It is a super-2 number, since 2×42800431² = 3663753787571522, 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 (42800831) 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 3 ways as a sum of consecutive naturals, for example, 50656 + ... + 51493.

It is an arithmetic number, because the mean of its divisors is an integer number (10725750).

Almost surely, 2^42800431 is an apocalyptic number.

42800431 is a deficient number, since it is larger than the sum of its proper divisors (102569).

42800431 is a wasteful number, since it uses less digits than its factorization.

42800431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102568.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 42800431 is about 6542.2038335717. The cubic root of 42800431 is about 349.7969734084.

The spelling of 42800431 in words is "forty-two million, eight hundred thousand, four hundred thirty-one".