13531054131 has 20 divisors (see below), whose sum is σ = 23100636592. Its totient is φ = 7732030608.

The previous prime is 13531054093. The next prime is 13531054139. The reversal of 13531054131 is 13145013531.

It is a happy number.

It is not a de Polignac number, because 13531054131 - 2²⁹ = 12994183219 is a prime.

It is a super-2 number, since 2×13531054131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13531054095 and 13531054104.

It is not an unprimeable number, because it can be changed into a prime (13531054139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11931580 + ... + 11932713.

Almost surely, 2^13531054131 is an apocalyptic number.

13531054131 is a deficient number, since it is larger than the sum of its proper divisors (9569582461).

13531054131 is an equidigital number, since it uses as much as digits as its factorization.

13531054131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23864312 (or 23864303 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 13531054131 its reverse (13145013531), we get a palindrome (26676067662).

The spelling of 13531054131 in words is "thirteen billion, five hundred thirty-one million, fifty-four thousand, one hundred thirty-one".