203434113 has 8 divisors (see below), whose sum is σ = 271576000. Its totient is φ = 135457488.

The previous prime is 203434111. The next prime is 203434129. The reversal of 203434113 is 311434302.

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

It is not a de Polignac number, because 203434113 - 2¹ = 203434111 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 203434113.

It is not an unprimeable number, because it can be changed into a prime (203434111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38413 + ... + 43386.

It is an arithmetic number, because the mean of its divisors is an integer number (33947000).

Almost surely, 2^203434113 is an apocalyptic number.

It is an amenable number.

203434113 is a deficient number, since it is larger than the sum of its proper divisors (68141887).

203434113 is an equidigital number, since it uses as much as digits as its factorization.

203434113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82631.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 203434113 is about 14263.0330925789. The cubic root of 203434113 is about 588.1317066946.

Adding to 203434113 its reverse (311434302), we get a palindrome (514868415).

The spelling of 203434113 in words is "two hundred three million, four hundred thirty-four thousand, one hundred thirteen".