13231330333 has 16 divisors (see below), whose sum is σ = 15881382720. Its totient is φ = 10890084096.

The previous prime is 13231330327. The next prime is 13231330391. The reversal of 13231330333 is 33303313231.

It is a cyclic number.

It is not a de Polignac number, because 13231330333 - 2¹³ = 13231322141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231330298 and 13231330307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231330933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1571335 + ... + 1579732.

It is an arithmetic number, because the mean of its divisors is an integer number (992586420).

Almost surely, 2^13231330333 is an apocalyptic number.

13231330333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13231330333 is a deficient number, since it is larger than the sum of its proper divisors (2650052387).

13231330333 is a wasteful number, since it uses less digits than its factorization.

13231330333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151116.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 13231330333 its reverse (33303313231), we get a palindrome (46534643564).

The spelling of 13231330333 in words is "thirteen billion, two hundred thirty-one million, three hundred thirty thousand, three hundred thirty-three".