13231122224 has 20 divisors (see below), whose sum is σ = 25637369520. Its totient is φ = 6615026880.

The previous prime is 13231122221. The next prime is 13231122241. The reversal of 13231122224 is 42222113231.

It is a self number, because there is not a number n which added to its sum of digits gives 13231122224.

It is not an unprimeable number, because it can be changed into a prime (13231122221) 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, 237557 + ... + 287915.

It is an arithmetic number, because the mean of its divisors is an integer number (1281868476).

Almost surely, 2^13231122224 is an apocalyptic number.

It is an amenable number.

13231122224 is a deficient number, since it is larger than the sum of its proper divisors (12406247296).

13231122224 is a wasteful number, since it uses less digits than its factorization.

13231122224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66788 (or 66782 counting only the distinct ones).

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

Adding to 13231122224 its reverse (42222113231), we get a palindrome (55453235455).

The spelling of 13231122224 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred twenty-four".