113541203 has 4 divisors (see below), whose sum is σ = 113562720. Its totient is φ = 113519688.

The previous prime is 113541163. The next prime is 113541209. The reversal of 113541203 is 302145311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302145311 = 13 ⋅23241947.

It is a cyclic number.

It is not a de Polignac number, because 113541203 - 2⁶ = 113541139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113541209) 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, 3158 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (28390680).

Almost surely, 2^113541203 is an apocalyptic number.

113541203 is a deficient number, since it is larger than the sum of its proper divisors (21517).

113541203 is an equidigital number, since it uses as much as digits as its factorization.

113541203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21516.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 113541203 is about 10655.5714534698. The cubic root of 113541203 is about 484.2294108015.

Adding to 113541203 its reverse (302145311), we get a palindrome (415686514).

The spelling of 113541203 in words is "one hundred thirteen million, five hundred forty-one thousand, two hundred three".