203324113 has 4 divisors (see below), whose sum is σ = 203394100. Its totient is φ = 203254128.

The previous prime is 203324083. The next prime is 203324123. The reversal of 203324113 is 311423302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183548304 + 19775809 = 13548^2 + 4447^2 .

It is a cyclic number.

It is not a de Polignac number, because 203324113 - 2¹³ = 203315921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203324123) 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, 30438 + ... + 36511.

It is an arithmetic number, because the mean of its divisors is an integer number (50848525).

Almost surely, 2^203324113 is an apocalyptic number.

It is an amenable number.

203324113 is a deficient number, since it is larger than the sum of its proper divisors (69987).

203324113 is an equidigital number, since it uses as much as digits as its factorization.

203324113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69986.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 203324113 is about 14259.1764488697. The cubic root of 203324113 is about 588.0256835851.

Adding to 203324113 its reverse (311423302), we get a palindrome (514747415).

The spelling of 203324113 in words is "two hundred three million, three hundred twenty-four thousand, one hundred thirteen".