13531520224 has 12 divisors (see below), whose sum is σ = 26640180504. Its totient is φ = 6765760096.

The previous prime is 13531520221. The next prime is 13531520237. The reversal of 13531520224 is 42202513531.

It is a junction number, because it is equal to n+sod(n) for n = 13531520192 and 13531520201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531520221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211429972 + ... + 211430035.

It is an arithmetic number, because the mean of its divisors is an integer number (2220015042).

Almost surely, 2^13531520224 is an apocalyptic number.

It is an amenable number.

13531520224 is a deficient number, since it is larger than the sum of its proper divisors (13108660280).

13531520224 is an equidigital number, since it uses as much as digits as its factorization.

13531520224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422860017 (or 422860009 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 13531520224 in words is "thirteen billion, five hundred thirty-one million, five hundred twenty thousand, two hundred twenty-four".