13544045331 has 8 divisors (see below), whose sum is σ = 18073570704. Its totient is φ = 9021941760.

The previous prime is 13544045321. The next prime is 13544045371. The reversal of 13544045331 is 13354044531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13544045331 - 2⁹ = 13544044819 is a prime.

It is a super-2 number, since 2×13544045331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13544045292 and 13544045301.

It is not an unprimeable number, because it can be changed into a prime (13544045321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851190 + ... + 1858491.

It is an arithmetic number, because the mean of its divisors is an integer number (2259196338).

Almost surely, 2^13544045331 is an apocalyptic number.

13544045331 is a deficient number, since it is larger than the sum of its proper divisors (4529525373).

13544045331 is a wasteful number, since it uses less digits than its factorization.

13544045331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710901.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 13544045331 its reverse (13354044531), we get a palindrome (26898089862).

The spelling of 13544045331 in words is "thirteen billion, five hundred forty-four million, forty-five thousand, three hundred thirty-one".