13531202398 has 32 divisors (see below), whose sum is σ = 23518123200.
Its totient is φ = 5718983424.
The previous prime is 13531202383. The next prime is 13531202449. The reversal of 13531202398 is 89320213531.
13531202398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 15 ways as a sum of consecutive naturals, for example, 470736 + ... + 498652.
It is an arithmetic number, because the mean of its divisors is an integer number (734941350).
Almost surely, 213531202398 is an apocalyptic number.
13531202398 is a deficient number, since it is larger than the sum of its proper divisors (9986920802).
13531202398 is a wasteful number, since it uses less digits than its factorization.
13531202398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28404.
The product of its (nonzero) digits is 38880, while the sum is 37.
The spelling of 13531202398 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, three hundred ninety-eight".