20003131230003 has 12 divisors (see below), whose sum is σ = 28896241545288. Its totient is φ = 13334114772960.

The previous prime is 20003131230001. The next prime is 20003131230007. The reversal of 20003131230003 is 30003213130002.

20003131230003 is a `hidden beast` number, since 20 + 0 + 0 + 31 + 312 + 300 + 0 + 3 = 666.

It is not a de Polignac number, because 20003131230003 - 2¹ = 20003131230001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003131230001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108740250 + ... + 108924047.

It is an arithmetic number, because the mean of its divisors is an integer number (2408020128774).

Almost surely, 2^{20003131230003} is an apocalyptic number.

20003131230003 is a deficient number, since it is larger than the sum of its proper divisors (8893110315285).

20003131230003 is a wasteful number, since it uses less digits than its factorization.

20003131230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217674514 (or 217674511 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20003131230003 its reverse (30003213130002), we get a palindrome (50006344360005).

The spelling of 20003131230003 in words is "twenty trillion, three billion, one hundred thirty-one million, two hundred thirty thousand, three".