4231321642003 has 16 divisors (see below), whose sum is σ = 4492381551840. Its totient is φ = 3971615627776.

The previous prime is 4231321641961. The next prime is 4231321642013. The reversal of 4231321642003 is 3002461231324.

It is a happy number.

4231321642003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231321642003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4231321642013) 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, 50501301 + ... + 50585017.

It is an arithmetic number, because the mean of its divisors is an integer number (280773846990).

Almost surely, 2^{4231321642003} is an apocalyptic number.

4231321642003 is a deficient number, since it is larger than the sum of its proper divisors (261059909837).

4231321642003 is a wasteful number, since it uses less digits than its factorization.

4231321642003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91766.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 4231321642003 its reverse (3002461231324), we get a palindrome (7233782873327).

The spelling of 4231321642003 in words is "four trillion, two hundred thirty-one billion, three hundred twenty-one million, six hundred forty-two thousand, three".