13531133043 has 36 divisors (see below), whose sum is σ = 20654604360. Its totient is φ = 8534875392.

The previous prime is 13531133039. The next prime is 13531133087. The reversal of 13531133043 is 34033113531.

13531133043 is a `hidden beast` number, since 1 + 353 + 1 + 1 + 3 + 304 + 3 = 666.

It is not a de Polignac number, because 13531133043 - 2² = 13531133039 is a prime.

It is a super-2 number, since 2×13531133043² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13531132998 and 13531133016.

It is not an unprimeable number, because it can be changed into a prime (13531133023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3016080 + ... + 3020562.

It is an arithmetic number, because the mean of its divisors is an integer number (573739010).

Almost surely, 2^13531133043 is an apocalyptic number.

13531133043 is a deficient number, since it is larger than the sum of its proper divisors (7123471317).

13531133043 is a wasteful number, since it uses less digits than its factorization.

13531133043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

Adding to 13531133043 its reverse (34033113531), we get a palindrome (47564246574).

The spelling of 13531133043 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-three thousand, forty-three".