203030534 has 8 divisors (see below), whose sum is σ = 348052368. Its totient is φ = 87013080.

The previous prime is 203030461. The next prime is 203030543. The reversal of 203030534 is 435030302.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7251077 + ... + 7251104.

It is an arithmetic number, because the mean of its divisors is an integer number (43506546).

Almost surely, 2^203030534 is an apocalyptic number.

203030534 is a deficient number, since it is larger than the sum of its proper divisors (145021834).

203030534 is a wasteful number, since it uses less digits than its factorization.

203030534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502190.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 203030534 is about 14248.8783418205. The cubic root of 203030534 is about 587.7425311610.

Adding to 203030534 its reverse (435030302), we get a palindrome (638060836).

The spelling of 203030534 in words is "two hundred three million, thirty thousand, five hundred thirty-four".