200300031 has 18 divisors (see below), whose sum is σ = 302455608. Its totient is φ = 127724520.

The previous prime is 200300029. The next prime is 200300039. The reversal of 200300031 is 130003002.

It is a happy number.

It is not a de Polignac number, because 200300031 - 2¹ = 200300029 is a prime.

It is a super-2 number, since 2×200300031² = 80240204837201922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200299986 and 200300022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200300039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16275 + ... + 25796.

Almost surely, 2^200300031 is an apocalyptic number.

200300031 is a deficient number, since it is larger than the sum of its proper divisors (102155577).

200300031 is a wasteful number, since it uses less digits than its factorization.

200300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42123 (or 42097 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 200300031 is about 14152.7393461478. The cubic root of 200300031 is about 585.0958335219.

Adding to 200300031 its reverse (130003002), we get a palindrome (330303033).

The spelling of 200300031 in words is "two hundred million, three hundred thousand, thirty-one".