13311021312023 has 4 divisors (see below), whose sum is σ = 13341342545520. Its totient is φ = 13280700078528.

The previous prime is 13311021311993. The next prime is 13311021312037. The reversal of 13311021312023 is 32021312011331.

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 13311021312023 - 2⁸ = 13311021311767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13311021312023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311021312073) 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, 15160616090 + ... + 15160616967.

It is an arithmetic number, because the mean of its divisors is an integer number (3335335636380).

Almost surely, 2^{13311021312023} is an apocalyptic number.

13311021312023 is a deficient number, since it is larger than the sum of its proper divisors (30321233497).

13311021312023 is an equidigital number, since it uses as much as digits as its factorization.

13311021312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30321233496.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13311021312023 its reverse (32021312011331), we get a palindrome (45332333323354).

The spelling of 13311021312023 in words is "thirteen trillion, three hundred eleven billion, twenty-one million, three hundred twelve thousand, twenty-three".