42331003 has 24 divisors (see below), whose sum is σ = 53089344. Its totient is φ = 33411840.

The previous prime is 42330991. The next prime is 42331007. The reversal of 42331003 is 30013324.

It is a de Polignac number, because none of the positive numbers 2^k-42331003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42331007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25950 + ... + 27532.

It is an arithmetic number, because the mean of its divisors is an integer number (2212056).

Almost surely, 2^42331003 is an apocalyptic number.

42331003 is a deficient number, since it is larger than the sum of its proper divisors (10758341).

42331003 is a wasteful number, since it uses less digits than its factorization.

42331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 42331003 is about 6506.2280162933. The cubic root of 42331003 is about 348.5134310299.

Adding to 42331003 its reverse (30013324), we get a palindrome (72344327).

The spelling of 42331003 in words is "forty-two million, three hundred thirty-one thousand, three".