200631055 has 4 divisors (see below), whose sum is σ = 240757272. Its totient is φ = 160504840.

The previous prime is 200631043. The next prime is 200631061. The reversal of 200631055 is 550136002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 200631055 - 2¹⁵ = 200598287 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20063101 + ... + 20063110.

It is an arithmetic number, because the mean of its divisors is an integer number (60189318).

Almost surely, 2^200631055 is an apocalyptic number.

200631055 is a deficient number, since it is larger than the sum of its proper divisors (40126217).

200631055 is an equidigital number, since it uses as much as digits as its factorization.

200631055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40126216.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 200631055 is about 14164.4292154679. The cubic root of 200631055 is about 585.4179738717.

Adding to 200631055 its reverse (550136002), we get a palindrome (750767057).

The spelling of 200631055 in words is "two hundred million, six hundred thirty-one thousand, fifty-five".