13231110033 has 6 divisors (see below), whose sum is σ = 19111603394. Its totient is φ = 8820740016.

The previous prime is 13231110007. The next prime is 13231110071. The reversal of 13231110033 is 33001113231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13089190464 + 141919569 = 114408^2 + 11913^2 .

It is not a de Polignac number, because 13231110033 - 2²² = 13226915729 is a prime.

It is a super-2 number, since 2×13231110033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231109988 and 13231110015.

It is not an unprimeable number, because it can be changed into a prime (13231110083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 735061660 + ... + 735061677.

Almost surely, 2^13231110033 is an apocalyptic number.

It is an amenable number.

13231110033 is a deficient number, since it is larger than the sum of its proper divisors (5880493361).

13231110033 is a wasteful number, since it uses less digits than its factorization.

13231110033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470123343 (or 1470123340 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13231110033 its reverse (33001113231), we get a palindrome (46232223264).

The spelling of 13231110033 in words is "thirteen billion, two hundred thirty-one million, one hundred ten thousand, thirty-three".