13211433231 has 8 divisors (see below), whose sum is σ = 18091332144. Its totient is φ = 8569578240.

The previous prime is 13211433199. The next prime is 13211433233. The reversal of 13211433231 is 13233411231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13211433231 - 2⁵ = 13211433199 is a prime.

It is a super-2 number, since 2×13211433231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211433233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59510850 + ... + 59511071.

It is an arithmetic number, because the mean of its divisors is an integer number (2261416518).

Almost surely, 2^13211433231 is an apocalyptic number.

13211433231 is a deficient number, since it is larger than the sum of its proper divisors (4879898913).

13211433231 is a wasteful number, since it uses less digits than its factorization.

13211433231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119021961.

The product of its digits is 1296, while the sum is 24.

Adding to 13211433231 its reverse (13233411231), we get a palindrome (26444844462).

The spelling of 13211433231 in words is "thirteen billion, two hundred eleven million, four hundred thirty-three thousand, two hundred thirty-one".