13231310103 has 72 divisors (see below), whose sum is σ = 22500341136. Its totient is φ = 7402867200.

The previous prime is 13231310101. The next prime is 13231310107. The reversal of 13231310103 is 30101313231.

It is a happy number.

It is not a de Polignac number, because 13231310103 - 2¹ = 13231310101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231310101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36855838 + ... + 36856196.

It is an arithmetic number, because the mean of its divisors is an integer number (312504738).

Almost surely, 2^13231310103 is an apocalyptic number.

13231310103 is a deficient number, since it is larger than the sum of its proper divisors (9269031033).

13231310103 is a wasteful number, since it uses less digits than its factorization.

13231310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13231310103 its reverse (30101313231), we get a palindrome (43332623334).

The spelling of 13231310103 in words is "thirteen billion, two hundred thirty-one million, three hundred ten thousand, one hundred three".