200313309 has 32 divisors (see below), whose sum is σ = 310210560. Its totient is φ = 112617792.

The previous prime is 200313287. The next prime is 200313313. The reversal of 200313309 is 903313002.

It is not a de Polignac number, because 200313309 - 2⁵ = 200313277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200313109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536847 + ... + 537219.

It is an arithmetic number, because the mean of its divisors is an integer number (9694080).

Almost surely, 2^200313309 is an apocalyptic number.

It is an amenable number.

200313309 is a deficient number, since it is larger than the sum of its proper divisors (109897251).

200313309 is a wasteful number, since it uses less digits than its factorization.

200313309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 200313309 is about 14153.2084348391. The cubic root of 200313309 is about 585.1087620118.

The spelling of 200313309 in words is "two hundred million, three hundred thirteen thousand, three hundred nine".