13531201345 has 8 divisors (see below), whose sum is σ = 16238074176. Its totient is φ = 10824539376.

The previous prime is 13531201339. The next prime is 13531201349. The reversal of 13531201345 is 54310213531.

It is a happy number.

13531201345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531201345 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531201349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190404 + ... + 251626.

It is an arithmetic number, because the mean of its divisors is an integer number (2029759272).

Almost surely, 2^13531201345 is an apocalyptic number.

It is an amenable number.

13531201345 is a deficient number, since it is larger than the sum of its proper divisors (2706872831).

13531201345 is an equidigital number, since it uses as much as digits as its factorization.

13531201345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105431.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 13531201345 its reverse (54310213531), we get a palindrome (67841414876).

The spelling of 13531201345 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, three hundred forty-five".