13530353103 has 32 divisors (see below), whose sum is σ = 20603052800. Its totient is φ = 8769485088.

The previous prime is 13530353059. The next prime is 13530353107. The reversal of 13530353103 is 30135303531.

It is a happy number.

It is not a de Polignac number, because 13530353103 - 2¹⁰ = 13530352079 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530353107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452900 + ... + 1462182.

It is an arithmetic number, because the mean of its divisors is an integer number (643845400).

Almost surely, 2^13530353103 is an apocalyptic number.

13530353103 is a deficient number, since it is larger than the sum of its proper divisors (7072699697).

13530353103 is a wasteful number, since it uses less digits than its factorization.

13530353103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10788 (or 10782 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 27.

Adding to 13530353103 its reverse (30135303531), we get a palindrome (43665656634).

The spelling of 13530353103 in words is "thirteen billion, five hundred thirty million, three hundred fifty-three thousand, one hundred three".