42831003 has 4 divisors (see below), whose sum is σ = 57108008. Its totient is φ = 28554000.

The previous prime is 42831001. The next prime is 42831017. The reversal of 42831003 is 30013824.

It is a happy number.

42831003 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 not a de Polignac number, because 42831003 - 2¹ = 42831001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42831001) 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, 7138498 + ... + 7138503.

It is an arithmetic number, because the mean of its divisors is an integer number (14277002).

Almost surely, 2^42831003 is an apocalyptic number.

42831003 is a deficient number, since it is larger than the sum of its proper divisors (14277005).

42831003 is a wasteful number, since it uses less digits than its factorization.

42831003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14277004.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42831003 is about 6544.5399379941. The cubic root of 42831003 is about 349.8802392979.

Adding to 42831003 its reverse (30013824), we get a palindrome (72844827).

The spelling of 42831003 in words is "forty-two million, eight hundred thirty-one thousand, three".