203312030 has 32 divisors (see below), whose sum is σ = 379693440. Its totient is φ = 78324480.

The previous prime is 203311991. The next prime is 203312033. The reversal of 203312030 is 30213302.

203312030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203311996 and 203312014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203312033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29252 + ... + 35528.

It is an arithmetic number, because the mean of its divisors is an integer number (11865420).

Almost surely, 2^203312030 is an apocalyptic number.

203312030 is a deficient number, since it is larger than the sum of its proper divisors (176381410).

203312030 is a wasteful number, since it uses less digits than its factorization.

203312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 203312030 is about 14258.7527505038. The cubic root of 203312030 is about 588.0140350978.

Adding to 203312030 its reverse (30213302), we get a palindrome (233525332).

The spelling of 203312030 in words is "two hundred three million, three hundred twelve thousand, thirty".