200538631 has 16 divisors (see below), whose sum is σ = 210420288. Its totient is φ = 190944000.

The previous prime is 200538629. The next prime is 200538641. The reversal of 200538631 is 136835002.

It is a cyclic number.

It is not a de Polignac number, because 200538631 - 2¹ = 200538629 is a prime.

It is a super-2 number, since 2×200538631² = 80431485046708322, 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 200538631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200538641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384651 + ... + 385171.

It is an arithmetic number, because the mean of its divisors is an integer number (13151268).

Almost surely, 2^200538631 is an apocalyptic number.

200538631 is a deficient number, since it is larger than the sum of its proper divisors (9881657).

200538631 is a wasteful number, since it uses less digits than its factorization.

200538631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 200538631 is about 14161.1663008384. The cubic root of 200538631 is about 585.3280659204.

The spelling of 200538631 in words is "two hundred million, five hundred thirty-eight thousand, six hundred thirty-one".