203140330 has 16 divisors (see below), whose sum is σ = 366444000. Its totient is φ = 81080272.

The previous prime is 203140319. The next prime is 203140337. The reversal of 203140330 is 33041302.

It is not an unprimeable number, because it can be changed into a prime (203140337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17080 + ... + 26419.

It is an arithmetic number, because the mean of its divisors is an integer number (22902750).

Almost surely, 2^203140330 is an apocalyptic number.

203140330 is a deficient number, since it is larger than the sum of its proper divisors (163303670).

203140330 is a wasteful number, since it uses less digits than its factorization.

203140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43973.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 203140330 is about 14252.7306155698. The cubic root of 203140330 is about 587.8484596446.

Adding to 203140330 its reverse (33041302), we get a palindrome (236181632).

The spelling of 203140330 in words is "two hundred three million, one hundred forty thousand, three hundred thirty".