13531155304 has 16 divisors (see below), whose sum is σ = 26863323300. Its totient is φ = 6367602432.

The previous prime is 13531155289. The next prime is 13531155331. The reversal of 13531155304 is 40355113531.

It can be written as a sum of positive squares in 2 ways, for example, as 13453680100 + 77475204 = 115990^2 + 8802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49746759 + ... + 49747030.

Almost surely, 2^13531155304 is an apocalyptic number.

It is an amenable number.

13531155304 is a deficient number, since it is larger than the sum of its proper divisors (13332167996).

13531155304 is a wasteful number, since it uses less digits than its factorization.

13531155304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99493812 (or 99493808 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 13531155304 its reverse (40355113531), we get a palindrome (53886268835).

The spelling of 13531155304 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-five thousand, three hundred four".