200285731 has 8 divisors (see below), whose sum is σ = 203001344. Its totient is φ = 197588160.

The previous prime is 200285677. The next prime is 200285737. The reversal of 200285731 is 137582002.

200285731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200285731 - 2¹¹ = 200283683 is a prime.

It is a super-2 number, since 2×200285731² = 80228748084408722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200285731.

It is not an unprimeable number, because it can be changed into a prime (200285737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18631 + ... + 27343.

It is an arithmetic number, because the mean of its divisors is an integer number (25375168).

Almost surely, 2^200285731 is an apocalyptic number.

200285731 is a deficient number, since it is larger than the sum of its proper divisors (2715613).

200285731 is a wasteful number, since it uses less digits than its factorization.

200285731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 200285731 is about 14152.2341345810. The cubic root of 200285731 is about 585.0819092945.

The spelling of 200285731 in words is "two hundred million, two hundred eighty-five thousand, seven hundred thirty-one".