13313221133 has 4 divisors (see below), whose sum is σ = 13335154560. Its totient is φ = 13291287708.

The previous prime is 13313221127. The next prime is 13313221153. The reversal of 13313221133 is 33112231331.

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 a cyclic number.

It is not a de Polignac number, because 13313221133 - 2³² = 9018253837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13313221099 and 13313221108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313221153) 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, 10965803 + ... + 10967016.

It is an arithmetic number, because the mean of its divisors is an integer number (3333788640).

Almost surely, 2^13313221133 is an apocalyptic number.

It is an amenable number.

13313221133 is a deficient number, since it is larger than the sum of its proper divisors (21933427).

13313221133 is an equidigital number, since it uses as much as digits as its factorization.

13313221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21933426.

The product of its digits is 972, while the sum is 23.

Adding to 13313221133 its reverse (33112231331), we get a palindrome (46425452464).

The spelling of 13313221133 in words is "thirteen billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred thirty-three".