113205020103 has 24 divisors (see below), whose sum is σ = 190854263808. Its totient is φ = 63312228432.

The previous prime is 113205020101. The next prime is 113205020147. The reversal of 113205020103 is 301020502311.

It is not a de Polignac number, because 113205020103 - 2¹ = 113205020101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113205020101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19113051 + ... + 19118972.

It is an arithmetic number, because the mean of its divisors is an integer number (7952260992).

Almost surely, 2^113205020103 is an apocalyptic number.

113205020103 is a deficient number, since it is larger than the sum of its proper divisors (77649243705).

113205020103 is a wasteful number, since it uses less digits than its factorization.

113205020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38232083 (or 38232080 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 113205020103 its reverse (301020502311), we get a palindrome (414225522414).

The spelling of 113205020103 in words is "one hundred thirteen billion, two hundred five million, twenty thousand, one hundred three".