13003123320311 has 4 divisors (see below), whose sum is σ = 13003374645000. Its totient is φ = 13002871995624.

The previous prime is 13003123320307. The next prime is 13003123320329. The reversal of 13003123320311 is 11302332130031.

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

It is a cyclic number.

It is not a de Polignac number, because 13003123320311 - 2² = 13003123320307 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 (13003123020311) 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, 125584721 + ... + 125688218.

It is an arithmetic number, because the mean of its divisors is an integer number (3250843661250).

Almost surely, 2^{13003123320311} is an apocalyptic number.

13003123320311 is a deficient number, since it is larger than the sum of its proper divisors (251324689).

13003123320311 is an equidigital number, since it uses as much as digits as its factorization.

13003123320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251324688.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13003123320311 its reverse (11302332130031), we get a palindrome (24305455450342).

The spelling of 13003123320311 in words is "thirteen trillion, three billion, one hundred twenty-three million, three hundred twenty thousand, three hundred eleven".