13311123329 has 4 divisors (see below), whose sum is σ = 15212712384. Its totient is φ = 11409534276.

The previous prime is 13311123313. The next prime is 13311123347. The reversal of 13311123329 is 92332111331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13311123329 - 2⁴ = 13311123313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13311123349) 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, 950794517 + ... + 950794530.

It is an arithmetic number, because the mean of its divisors is an integer number (3803178096).

Almost surely, 2^13311123329 is an apocalyptic number.

It is an amenable number.

13311123329 is a deficient number, since it is larger than the sum of its proper divisors (1901589055).

13311123329 is an equidigital number, since it uses as much as digits as its factorization.

13311123329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901589054.

The product of its digits is 2916, while the sum is 29.

The spelling of 13311123329 in words is "thirteen billion, three hundred eleven million, one hundred twenty-three thousand, three hundred twenty-nine".