13311220220023 has 24 divisors (see below), whose sum is σ = 15784310538864. Its totient is φ = 11174387178240.

The previous prime is 13311220220017. The next prime is 13311220220027. The reversal of 13311220220023 is 32002202211331.

It is not a de Polignac number, because 13311220220023 - 2¹⁷ = 13311220088951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13311220219976 and 13311220220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311220220027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60939861 + ... + 61157902.

It is an arithmetic number, because the mean of its divisors is an integer number (657679605786).

Almost surely, 2^{13311220220023} is an apocalyptic number.

13311220220023 is a deficient number, since it is larger than the sum of its proper divisors (2473090318841).

13311220220023 is a wasteful number, since it uses less digits than its factorization.

13311220220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122097855 (or 122097844 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13311220220023 its reverse (32002202211331), we get a palindrome (45313422431354).

The spelling of 13311220220023 in words is "thirteen trillion, three hundred eleven billion, two hundred twenty million, two hundred twenty thousand, twenty-three".