203102230 has 32 divisors (see below), whose sum is σ = 388247904. Its totient is φ = 76233216.

The previous prime is 203102177. The next prime is 203102239. The reversal of 203102230 is 32201302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203102230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203102239) 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 15 ways as a sum of consecutive naturals, for example, 61809 + ... + 65011.

It is an arithmetic number, because the mean of its divisors is an integer number (12132747).

Almost surely, 2^203102230 is an apocalyptic number.

203102230 is a deficient number, since it is larger than the sum of its proper divisors (185145674).

203102230 is a wasteful number, since it uses less digits than its factorization.

203102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 203102230 is about 14251.3939669072. The cubic root of 203102230 is about 587.8117060260.

Adding to 203102230 its reverse (32201302), we get a palindrome (235303532).

The spelling of 203102230 in words is "two hundred three million, one hundred two thousand, two hundred thirty".