13531005304 has 8 divisors (see below), whose sum is σ = 25370634960. Its totient is φ = 6765502648.

The previous prime is 13531005253. The next prime is 13531005353. The reversal of 13531005304 is 40350013531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×13531005304³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845687824 + ... + 845687839.

It is an arithmetic number, because the mean of its divisors is an integer number (3171329370).

Almost surely, 2^13531005304 is an apocalyptic number.

It is an amenable number.

13531005304 is a deficient number, since it is larger than the sum of its proper divisors (11839629656).

13531005304 is a wasteful number, since it uses less digits than its factorization.

13531005304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691375669 (or 1691375665 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13531005304 its reverse (40350013531), we get a palindrome (53881018835).

The spelling of 13531005304 in words is "thirteen billion, five hundred thirty-one million, five thousand, three hundred four".