200311430 has 16 divisors (see below), whose sum is σ = 393339024. Its totient is φ = 72840480.

The previous prime is 200311421. The next prime is 200311477. The reversal of 200311430 is 34113002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910397 + ... + 910616.

It is an arithmetic number, because the mean of its divisors is an integer number (24583689).

Almost surely, 2^200311430 is an apocalyptic number.

200311430 is a deficient number, since it is larger than the sum of its proper divisors (193027594).

200311430 is a wasteful number, since it uses less digits than its factorization.

200311430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821031.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200311430 is about 14153.1420539752. The cubic root of 200311430 is about 585.1069325065.

Adding to 200311430 its reverse (34113002), we get a palindrome (234424432).

The spelling of 200311430 in words is "two hundred million, three hundred eleven thousand, four hundred thirty".