13131142103 has 4 divisors (see below), whose sum is σ = 13266514800. Its totient is φ = 12995769408.

The previous prime is 13131142069. The next prime is 13131142109. The reversal of 13131142103 is 30124113131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13131142103 - 2⁶ = 13131142039 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 (13131142109) 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, 67686203 + ... + 67686396.

It is an arithmetic number, because the mean of its divisors is an integer number (3316628700).

Almost surely, 2^13131142103 is an apocalyptic number.

13131142103 is a deficient number, since it is larger than the sum of its proper divisors (135372697).

13131142103 is an equidigital number, since it uses as much as digits as its factorization.

13131142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135372696.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13131142103 its reverse (30124113131), we get a palindrome (43255255234).

The spelling of 13131142103 in words is "thirteen billion, one hundred thirty-one million, one hundred forty-two thousand, one hundred three".