2013243100203 has 16 divisors (see below), whose sum is σ = 2771418009600. Its totient is φ = 1298630840640.

The previous prime is 2013243100181. The next prime is 2013243100241. The reversal of 2013243100203 is 3020013423102.

It is not a de Polignac number, because 2013243100203 - 2⁵ = 2013243100171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2013243100203.

It is not an unprimeable number, because it can be changed into a prime (2013243100703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447938 + ... + 2474471.

It is an arithmetic number, because the mean of its divisors is an integer number (173213625600).

Almost surely, 2^{2013243100203} is an apocalyptic number.

2013243100203 is a deficient number, since it is larger than the sum of its proper divisors (758174909397).

2013243100203 is a wasteful number, since it uses less digits than its factorization.

2013243100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927962.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2013243100203 its reverse (3020013423102), we get a palindrome (5033256523305).

The spelling of 2013243100203 in words is "two trillion, thirteen billion, two hundred forty-three million, one hundred thousand, two hundred three".