13531044401 has 8 divisors (see below), whose sum is σ = 15473362944. Its totient is φ = 11591053920.

The previous prime is 13531044361. The next prime is 13531044403. The reversal of 13531044401 is 10444013531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13531044401 - 2²² = 13526850097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531044403) 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, 569540 + ... + 592821.

It is an arithmetic number, because the mean of its divisors is an integer number (1934170368).

Almost surely, 2^13531044401 is an apocalyptic number.

It is an amenable number.

13531044401 is a deficient number, since it is larger than the sum of its proper divisors (1942318543).

13531044401 is a wasteful number, since it uses less digits than its factorization.

13531044401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164031.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13531044401 its reverse (10444013531), we get a palindrome (23975057932).

The spelling of 13531044401 in words is "thirteen billion, five hundred thirty-one million, forty-four thousand, four hundred one".