131113103 has 4 divisors (see below), whose sum is σ = 143032488. Its totient is φ = 119193720.

The previous prime is 131113093. The next prime is 131113111. The reversal of 131113103 is 301311131.

It is a happy number.

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 131113103 - 2¹² = 131109007 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 (131113123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5959676 + ... + 5959697.

It is an arithmetic number, because the mean of its divisors is an integer number (35758122).

Almost surely, 2^131113103 is an apocalyptic number.

131113103 is a deficient number, since it is larger than the sum of its proper divisors (11919385).

131113103 is a wasteful number, since it uses less digits than its factorization.

131113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919384.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 131113103 is about 11450.4630037392. The cubic root of 131113103 is about 508.0214291806.

Adding to 131113103 its reverse (301311131), we get a palindrome (432424234).

The spelling of 131113103 in words is "one hundred thirty-one million, one hundred thirteen thousand, one hundred three".