13321031011 has 4 divisors (see below), whose sum is σ = 13418264952. Its totient is φ = 13223797072.

The previous prime is 13321030991. The next prime is 13321031027. The reversal of 13321031011 is 11013012331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11013012331 = 2423 ⋅4545197.

It is a cyclic number.

It is not a de Polignac number, because 13321031011 - 2²⁹ = 12784160099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321041011) 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, 48616765 + ... + 48617038.

It is an arithmetic number, because the mean of its divisors is an integer number (3354566238).

Almost surely, 2^13321031011 is an apocalyptic number.

13321031011 is a deficient number, since it is larger than the sum of its proper divisors (97233941).

13321031011 is an equidigital number, since it uses as much as digits as its factorization.

13321031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97233940.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13321031011 its reverse (11013012331), we get a palindrome (24334043342).

The spelling of 13321031011 in words is "thirteen billion, three hundred twenty-one million, thirty-one thousand, eleven".