200031630 has 16 divisors (see below), whose sum is σ = 480075984. Its totient is φ = 53341760.

The previous prime is 200031617. The next prime is 200031631. The reversal of 200031630 is 36130002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333831 + ... + 3333890.

It is an arithmetic number, because the mean of its divisors is an integer number (30004749).

Almost surely, 2^200031630 is an apocalyptic number.

200031630 is an abundant number, since it is smaller than the sum of its proper divisors (280044354).

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

200031630 is a wasteful number, since it uses less digits than its factorization.

200031630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667731.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 200031630 is about 14143.2538688945. The cubic root of 200031630 is about 584.8343749112.

Adding to 200031630 its reverse (36130002), we get a palindrome (236161632).

It can be divided in two parts, 200031 and 630, that added together give a triangular number (200661 = T₆₃₃).

The spelling of 200031630 in words is "two hundred million, thirty-one thousand, six hundred thirty".