13003103231311 has 4 divisors (see below), whose sum is σ = 13005467007624. Its totient is φ = 13000739455000.

The previous prime is 13003103231257. The next prime is 13003103231351. The reversal of 13003103231311 is 11313230130031.

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-13003103231311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003103231351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181879905 + ... + 1181890906.

It is an arithmetic number, because the mean of its divisors is an integer number (3251366751906).

Almost surely, 2^{13003103231311} is an apocalyptic number.

13003103231311 is a deficient number, since it is larger than the sum of its proper divisors (2363776313).

13003103231311 is an equidigital number, since it uses as much as digits as its factorization.

13003103231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363776312.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 13003103231311 its reverse (11313230130031), we get a palindrome (24316333361342).

The spelling of 13003103231311 in words is "thirteen trillion, three billion, one hundred three million, two hundred thirty-one thousand, three hundred eleven".