203244130 has 8 divisors (see below), whose sum is σ = 365839452. Its totient is φ = 81297648.

The previous prime is 203244127. The next prime is 203244137. The reversal of 203244130 is 31442302.

It can be written as a sum of positive squares in 2 ways, for example, as 202464441 + 779689 = 14229^2 + 883^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 203244098 and 203244107.

It is not an unprimeable number, because it can be changed into a prime (203244137) 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 3 ways as a sum of consecutive naturals, for example, 10162197 + ... + 10162216.

Almost surely, 2^203244130 is an apocalyptic number.

203244130 is a deficient number, since it is larger than the sum of its proper divisors (162595322).

203244130 is a wasteful number, since it uses less digits than its factorization.

203244130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20324420.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203244130 is about 14256.3715580087. The cubic root of 203244130 is about 587.9485682412.

Adding to 203244130 its reverse (31442302), we get a palindrome (234686432).

The spelling of 203244130 in words is "two hundred three million, two hundred forty-four thousand, one hundred thirty".