203214430 has 32 divisors (see below), whose sum is σ = 404149824. Its totient is φ = 73176576.

The previous prime is 203214421. The next prime is 203214433. The reversal of 203214430 is 34412302.

It is a super-2 number, since 2×203214430² = 82592209120449800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203214398 and 203214407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203214433) 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, 22077 + ... + 29896.

It is an arithmetic number, because the mean of its divisors is an integer number (12629682).

Almost surely, 2^203214430 is an apocalyptic number.

203214430 is a deficient number, since it is larger than the sum of its proper divisors (200935394).

203214430 is a wasteful number, since it uses less digits than its factorization.

203214430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52020.

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

The square root of 203214430 is about 14255.3298804342. The cubic root of 203214430 is about 587.9199279337.

Adding to 203214430 its reverse (34412302), we get a palindrome (237626732).

The spelling of 203214430 in words is "two hundred three million, two hundred fourteen thousand, four hundred thirty".