13531002250 has 32 divisors (see below), whose sum is σ = 25376599872. Its totient is φ = 5402451600.

The previous prime is 13531002229. The next prime is 13531002259. The reversal of 13531002250 is 5220013531.

It is not an unprimeable number, because it can be changed into a prime (13531002259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87277 + ... + 186223.

It is an arithmetic number, because the mean of its divisors is an integer number (793018746).

Almost surely, 2^13531002250 is an apocalyptic number.

13531002250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531002250 is a deficient number, since it is larger than the sum of its proper divisors (11845597622).

13531002250 is an equidigital number, since it uses as much as digits as its factorization.

13531002250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99511 (or 99501 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 13531002250 its reverse (5220013531), we get a palindrome (18751015781).

The spelling of 13531002250 in words is "thirteen billion, five hundred thirty-one million, two thousand, two hundred fifty".