13321011311 has 8 divisors (see below), whose sum is σ = 13560008640. Its totient is φ = 13083541632.

The previous prime is 13321011307. The next prime is 13321011373. The reversal of 13321011311 is 11311012331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13321011311 - 2² = 13321011307 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 13321011311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321011211) 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 7 ways as a sum of consecutive naturals, for example, 364310 + ... + 399203.

It is an arithmetic number, because the mean of its divisors is an integer number (1695001080).

Almost surely, 2^13321011311 is an apocalyptic number.

13321011311 is a deficient number, since it is larger than the sum of its proper divisors (238997329).

13321011311 is an equidigital number, since it uses as much as digits as its factorization.

13321011311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763825.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13321011311 its reverse (11311012331), we get a palindrome (24632023642).

The spelling of 13321011311 in words is "thirteen billion, three hundred twenty-one million, eleven thousand, three hundred eleven".