13211232303231 has 6 divisors (see below), whose sum is σ = 19082891104680. Its totient is φ = 8807488202148.

The previous prime is 13211232303209. The next prime is 13211232303233. The reversal of 13211232303231 is 13230323211231.

13211232303231 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 12 + 323 + 0 + 323 + 1 = 666.

It is not a de Polignac number, because 13211232303231 - 2²⁷ = 13211098085503 is a prime.

It is a super-2 number, since 2×13211232303231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13211232303195 and 13211232303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211232303233) 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, 733957350171 + ... + 733957350188.

It is an arithmetic number, because the mean of its divisors is an integer number (3180481850780).

Almost surely, 2^{13211232303231} is an apocalyptic number.

13211232303231 is a deficient number, since it is larger than the sum of its proper divisors (5871658801449).

13211232303231 is a wasteful number, since it uses less digits than its factorization.

13211232303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467914700365 (or 1467914700362 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13211232303231 its reverse (13230323211231), we get a palindrome (26441555514462).

The spelling of 13211232303231 in words is "thirteen trillion, two hundred eleven billion, two hundred thirty-two million, three hundred three thousand, two hundred thirty-one".