113321563103 has 16 divisors (see below), whose sum is σ = 135228372480. Its totient is φ = 92906864736.

The previous prime is 113321563099. The next prime is 113321563133. The reversal of 113321563103 is 301365123311.

It is not a de Polignac number, because 113321563103 - 2² = 113321563099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321563133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586851 + ... + 2630292.

It is an arithmetic number, because the mean of its divisors is an integer number (8451773280).

Almost surely, 2^113321563103 is an apocalyptic number.

113321563103 is a deficient number, since it is larger than the sum of its proper divisors (21906809377).

113321563103 is a wasteful number, since it uses less digits than its factorization.

113321563103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217286.

The product of its (nonzero) digits is 4860, while the sum is 29.

Adding to 113321563103 its reverse (301365123311), we get a palindrome (414686686414).

The spelling of 113321563103 in words is "one hundred thirteen billion, three hundred twenty-one million, five hundred sixty-three thousand, one hundred three".