13131211224 has 32 divisors (see below), whose sum is σ = 32830902720. Its totient is φ = 4376687136.

The previous prime is 13131211207. The next prime is 13131211241. The reversal of 13131211224 is 42211213131.

13131211224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13131211207) and next prime (13131211241).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13131211224.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 436327 + ... + 465449.

It is an arithmetic number, because the mean of its divisors is an integer number (1025965710).

Almost surely, 2^13131211224 is an apocalyptic number.

It is an amenable number.

13131211224 is an abundant number, since it is smaller than the sum of its proper divisors (19699691496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131211224 is a wasteful number, since it uses less digits than its factorization.

13131211224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47919 (or 47915 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 13131211224 its reverse (42211213131), we get a palindrome (55342424355).

The spelling of 13131211224 in words is "thirteen billion, one hundred thirty-one million, two hundred eleven thousand, two hundred twenty-four".