13321232131111 has 4 divisors (see below), whose sum is σ = 13321246710400. Its totient is φ = 13321217551824.

The previous prime is 13321232131091. The next prime is 13321232131217. The reversal of 13321232131111 is 11113123212331.

13321232131111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13321232131111 - 2²¹ = 13321230033959 is a prime.

It is a super-2 number, since 2×13321232131111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321242131111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5820366 + ... + 7779403.

It is an arithmetic number, because the mean of its divisors is an integer number (3330311677600).

Almost surely, 2^{13321232131111} is an apocalyptic number.

13321232131111 is a deficient number, since it is larger than the sum of its proper divisors (14579289).

13321232131111 is an equidigital number, since it uses as much as digits as its factorization.

13321232131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579288.

The product of its digits is 648, while the sum is 25.

Adding to 13321232131111 its reverse (11113123212331), we get a palindrome (24434355343442).

The spelling of 13321232131111 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty-two million, one hundred thirty-one thousand, one hundred eleven".