13531115103 has 8 divisors (see below), whose sum is σ = 19681622016. Its totient is φ = 8200675800.

The previous prime is 13531115063. The next prime is 13531115113. The reversal of 13531115103 is 30151113531.

It is a happy number.

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

It is not a de Polignac number, because 13531115103 - 2²⁰ = 13530066527 is a prime.

It is a super-3 number, since 3×13531115103³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531115113) 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, 205016863 + ... + 205016928.

It is an arithmetic number, because the mean of its divisors is an integer number (2460202752).

Almost surely, 2^13531115103 is an apocalyptic number.

13531115103 is a deficient number, since it is larger than the sum of its proper divisors (6150506913).

13531115103 is a wasteful number, since it uses less digits than its factorization.

13531115103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410033805.

The product of its (nonzero) digits is 675, while the sum is 24.

Adding to 13531115103 its reverse (30151113531), we get a palindrome (43682228634).

The spelling of 13531115103 in words is "thirteen billion, five hundred thirty-one million, one hundred fifteen thousand, one hundred three".