203034011 has 8 divisors (see below), whose sum is σ = 205837824. Its totient is φ = 200249280.

The previous prime is 203033989. The next prime is 203034067. The reversal of 203034011 is 110430302.

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 203034011 - 2⁶ = 203033947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203034071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17351 + ... + 26591.

It is an arithmetic number, because the mean of its divisors is an integer number (25729728).

Almost surely, 2^203034011 is an apocalyptic number.

203034011 is a deficient number, since it is larger than the sum of its proper divisors (2803813).

203034011 is a wasteful number, since it uses less digits than its factorization.

203034011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9541.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 203034011 is about 14249.0003509018. Note that the first 3 decimals coincide. The cubic root of 203034011 is about 587.7458862706.

Adding to 203034011 its reverse (110430302), we get a palindrome (313464313).

The spelling of 203034011 in words is "two hundred three million, thirty-four thousand, eleven".