200431430 has 32 divisors (see below), whose sum is σ = 388620288. Its totient is φ = 74210400.

The previous prime is 200431417. The next prime is 200431447. The reversal of 200431430 is 34134002.

It is a junction number, because it is equal to n+sod(n) for n = 200431399 and 200431408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6926 + ... + 21185.

It is an arithmetic number, because the mean of its divisors is an integer number (12144384).

Almost surely, 2^200431430 is an apocalyptic number.

200431430 is a deficient number, since it is larger than the sum of its proper divisors (188188858).

200431430 is a wasteful number, since it uses less digits than its factorization.

200431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28172.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200431430 is about 14157.3807605786. The cubic root of 200431430 is about 585.2237486327.

Adding to 200431430 its reverse (34134002), we get a palindrome (234565432).

The spelling of 200431430 in words is "two hundred million, four hundred thirty-one thousand, four hundred thirty".