13531353103 has 4 divisors (see below), whose sum is σ = 13547217208. Its totient is φ = 13515489000.

The previous prime is 13531353083. The next prime is 13531353197. The reversal of 13531353103 is 30135313531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30135313531 = 2273 ⋅13257947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531353103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531353403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7930773 + ... + 7932478.

It is an arithmetic number, because the mean of its divisors is an integer number (3386804302).

Almost surely, 2^13531353103 is an apocalyptic number.

13531353103 is a deficient number, since it is larger than the sum of its proper divisors (15864105).

13531353103 is an equidigital number, since it uses as much as digits as its factorization.

13531353103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864104.

The product of its (nonzero) digits is 6075, while the sum is 28.

Adding to 13531353103 its reverse (30135313531), we get a palindrome (43666666634).

The spelling of 13531353103 in words is "thirteen billion, five hundred thirty-one million, three hundred fifty-three thousand, one hundred three".