113011311103 has 4 divisors (see below), whose sum is σ = 113014454488. Its totient is φ = 113008167720.

The previous prime is 113011311029. The next prime is 113011311137. The reversal of 113011311103 is 301113110311.

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 113011311103 - 2²¹ = 113009213951 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 (113011315103) 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, 1517133 + ... + 1589878.

It is an arithmetic number, because the mean of its divisors is an integer number (28253613622).

Almost surely, 2^113011311103 is an apocalyptic number.

113011311103 is a deficient number, since it is larger than the sum of its proper divisors (3143385).

113011311103 is an equidigital number, since it uses as much as digits as its factorization.

113011311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143384.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 113011311103 its reverse (301113110311), we get a palindrome (414124421414).

The spelling of 113011311103 in words is "one hundred thirteen billion, eleven million, three hundred eleven thousand, one hundred three".