2013210321203 has 4 divisors (see below), whose sum is σ = 2013225811968. Its totient is φ = 2013194830440.

The previous prime is 2013210321103. The next prime is 2013210321223. The reversal of 2013210321203 is 3021230123102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013210321203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013210321223) 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 3 ways as a sum of consecutive naturals, for example, 7548776 + ... + 7810917.

It is an arithmetic number, because the mean of its divisors is an integer number (503306452992).

Almost surely, 2^{2013210321203} is an apocalyptic number.

2013210321203 is a deficient number, since it is larger than the sum of its proper divisors (15490765).

2013210321203 is a wasteful number, since it uses less digits than its factorization.

2013210321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490764.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2013210321203 its reverse (3021230123102), we get a palindrome (5034440444305).

The spelling of 2013210321203 in words is "two trillion, thirteen billion, two hundred ten million, three hundred twenty-one thousand, two hundred three".