113131310103 has 36 divisors (see below), whose sum is σ = 190197692568. Its totient is φ = 64610310240.

The previous prime is 113131310011. The next prime is 113131310137. The reversal of 113131310103 is 301013131311.

It is not a de Polignac number, because 113131310103 - 2⁸ = 113131309847 is a prime.

It is a super-2 number, since 2×113131310103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131310153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 727825 + ... + 869477.

It is an arithmetic number, because the mean of its divisors is an integer number (5283269238).

Almost surely, 2^113131310103 is an apocalyptic number.

113131310103 is a deficient number, since it is larger than the sum of its proper divisors (77066382465).

113131310103 is a wasteful number, since it uses less digits than its factorization.

113131310103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143484 (or 143474 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 113131310103 its reverse (301013131311), we get a palindrome (414144441414).

The spelling of 113131310103 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred ten thousand, one hundred three".