113311031103 has 24 divisors (see below), whose sum is σ = 164564571600. Its totient is φ = 75128788224.

The previous prime is 113311031083. The next prime is 113311031123. The reversal of 113311031103 is 301130113311.

113311031103 is a `hidden beast` number, since 11 + 331 + 10 + 311 + 0 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (113311031083) and next prime (113311031123).

It is not a de Polignac number, because 113311031103 - 2¹² = 113311027007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311031123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5342103 + ... + 5363271.

It is an arithmetic number, because the mean of its divisors is an integer number (6856857150).

Almost surely, 2^113311031103 is an apocalyptic number.

113311031103 is a deficient number, since it is larger than the sum of its proper divisors (51253540497).

113311031103 is a wasteful number, since it uses less digits than its factorization.

113311031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24391 (or 24388 counting only the distinct ones).

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

Adding to 113311031103 its reverse (301130113311), we get a palindrome (414441144414).

The spelling of 113311031103 in words is "one hundred thirteen billion, three hundred eleven million, thirty-one thousand, one hundred three".