200340312 has 16 divisors (see below), whose sum is σ = 500850840. Its totient is φ = 66780096.

The previous prime is 200340277. The next prime is 200340317. The reversal of 200340312 is 213043002.

It is a super-2 number, since 2×200340312² = 80272481224514688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200340291 and 200340300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200340317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4173733 + ... + 4173780.

Almost surely, 2^200340312 is an apocalyptic number.

It is an amenable number.

200340312 is an abundant number, since it is smaller than the sum of its proper divisors (300510528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200340312 is a wasteful number, since it uses less digits than its factorization.

200340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347522 (or 8347518 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 200340312 is about 14154.1623559997. The cubic root of 200340312 is about 585.1350524633.

Adding to 200340312 its reverse (213043002), we get a palindrome (413383314).

The spelling of 200340312 in words is "two hundred million, three hundred forty thousand, three hundred twelve".