203113153 has 8 divisors (see below), whose sum is σ = 204482880. Its totient is φ = 201748080.

The previous prime is 203113151. The next prime is 203113181. The reversal of 203113153 is 351311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203113153 - 2¹ = 203113151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203113153.

It is not an unprimeable number, because it can be changed into a prime (203113151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133668 + ... + 135178.

It is an arithmetic number, because the mean of its divisors is an integer number (25560360).

Almost surely, 2^203113153 is an apocalyptic number.

It is an amenable number.

203113153 is a deficient number, since it is larger than the sum of its proper divisors (1369727).

203113153 is a wasteful number, since it uses less digits than its factorization.

203113153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 203113153 is about 14251.7771874247. Note that the first 3 decimals coincide. The cubic root of 203113153 is about 587.8222434979.

Adding to 203113153 its reverse (351311302), we get a palindrome (554424455).

The spelling of 203113153 in words is "two hundred three million, one hundred thirteen thousand, one hundred fifty-three".