42331503 has 8 divisors (see below), whose sum is σ = 58388400. Its totient is φ = 27247808.

The previous prime is 42331489. The next prime is 42331507. The reversal of 42331503 is 30513324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42331503 - 2⁹ = 42330991 is a prime.

It is a super-2 number, since 2×42331503² = 3583912292478018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42331503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243198 + ... + 243371.

It is an arithmetic number, because the mean of its divisors is an integer number (7298550).

Almost surely, 2^42331503 is an apocalyptic number.

42331503 is a deficient number, since it is larger than the sum of its proper divisors (16056897).

42331503 is a wasteful number, since it uses less digits than its factorization.

42331503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486601.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 42331503 is about 6506.2664409014. The cubic root of 42331503 is about 348.5148032001.

Adding to 42331503 its reverse (30513324), we get a palindrome (72844827).

The spelling of 42331503 in words is "forty-two million, three hundred thirty-one thousand, five hundred three".