13224402131 has 4 divisors (see below), whose sum is σ = 13448544600. Its totient is φ = 13000259664.

The previous prime is 13224402109. The next prime is 13224402193. The reversal of 13224402131 is 13120442231.

13224402131 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 a de Polignac number, because none of the positive numbers 2^k-13224402131 is a prime.

It is a super-2 number, since 2×13224402131² (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 = 13224402097 and 13224402106.

It is not an unprimeable number, because it can be changed into a prime (13224402931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112071146 + ... + 112071263.

It is an arithmetic number, because the mean of its divisors is an integer number (3362136150).

Almost surely, 2^13224402131 is an apocalyptic number.

13224402131 is a deficient number, since it is larger than the sum of its proper divisors (224142469).

13224402131 is an equidigital number, since it uses as much as digits as its factorization.

13224402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224142468.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13224402131 its reverse (13120442231), we get a palindrome (26344844362).

The spelling of 13224402131 in words is "thirteen billion, two hundred twenty-four million, four hundred two thousand, one hundred thirty-one".