13531405304 has 16 divisors (see below), whose sum is σ = 25377300000. Its totient is φ = 6764125312.

The previous prime is 13531405273. The next prime is 13531405331. The reversal of 13531405304 is 40350413531.

It is a super-2 number, since 2×13531405304² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 160304 + ... + 229695.

It is an arithmetic number, because the mean of its divisors is an integer number (1586081250).

Almost surely, 2^13531405304 is an apocalyptic number.

It is an amenable number.

13531405304 is a deficient number, since it is larger than the sum of its proper divisors (11845894696).

13531405304 is a wasteful number, since it uses less digits than its factorization.

13531405304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394342 (or 394338 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13531405304 its reverse (40350413531), we get a palindrome (53881818835).

The spelling of 13531405304 in words is "thirteen billion, five hundred thirty-one million, four hundred five thousand, three hundred four".