13311221331233 has 32 divisors (see below), whose sum is σ = 15387154675200. Its totient is φ = 11279147894784.

The previous prime is 13311221331229. The next prime is 13311221331349. The reversal of 13311221331233 is 33213312211331.

It is not a de Polignac number, because 13311221331233 - 2² = 13311221331229 is a prime.

It is a super-2 number, since 2×13311221331233² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13311221331196 and 13311221331205.

It is not an unprimeable number, because it can be changed into a prime (13311221331203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3927770903 + ... + 3927774291.

It is an arithmetic number, because the mean of its divisors is an integer number (480848583600).

Almost surely, 2^{13311221331233} is an apocalyptic number.

It is an amenable number.

13311221331233 is a deficient number, since it is larger than the sum of its proper divisors (2075933343967).

13311221331233 is a wasteful number, since it uses less digits than its factorization.

13311221331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369.

The product of its digits is 5832, while the sum is 29.

Adding to 13311221331233 its reverse (33213312211331), we get a palindrome (46524533542564).

The spelling of 13311221331233 in words is "thirteen trillion, three hundred eleven billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred thirty-three".