42003343231 has 16 divisors (see below), whose sum is σ = 42726096000. Its totient is φ = 41285806848.

The previous prime is 42003343223. The next prime is 42003343297. The reversal of 42003343231 is 13234330024.

It is a cyclic number.

It is not a de Polignac number, because 42003343231 - 2³ = 42003343223 is a prime.

It is a super-2 number, since 2×42003343231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42003343196 and 42003343205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003343531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32891565 + ... + 32892841.

It is an arithmetic number, because the mean of its divisors is an integer number (2670381000).

Almost surely, 2^42003343231 is an apocalyptic number.

42003343231 is a deficient number, since it is larger than the sum of its proper divisors (722752769).

42003343231 is a wasteful number, since it uses less digits than its factorization.

42003343231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 42003343231 its reverse (13234330024), we get a palindrome (55237673255).

The spelling of 42003343231 in words is "forty-two billion, three million, three hundred forty-three thousand, two hundred thirty-one".