13544045131 has 12 divisors (see below), whose sum is σ = 14325678432. Its totient is φ = 12798737504.

The previous prime is 13544045087. The next prime is 13544045143. The reversal of 13544045131 is 13154044531.

It is not a de Polignac number, because 13544045131 - 2⁷ = 13544045003 is a prime.

It is a super-2 number, since 2×13544045131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13544045093 and 13544045102.

It is not an unprimeable number, because it can be changed into a prime (13544045171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131800 + ... + 210853.

It is an arithmetic number, because the mean of its divisors is an integer number (1193806536).

Almost surely, 2^13544045131 is an apocalyptic number.

13544045131 is a deficient number, since it is larger than the sum of its proper divisors (781633301).

13544045131 is an equidigital number, since it uses as much as digits as its factorization.

13544045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342758 (or 342729 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 13544045131 its reverse (13154044531), we get a palindrome (26698089662).

The spelling of 13544045131 in words is "thirteen billion, five hundred forty-four million, forty-five thousand, one hundred thirty-one".