200131211 has 16 divisors (see below), whose sum is σ = 242241024. Its totient is φ = 161625024.

The previous prime is 200131201. The next prime is 200131219. The reversal of 200131211 is 112131002.

It is a cyclic number.

It is not a de Polignac number, because 200131211 - 2¹⁸ = 199869067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200131192 and 200131201.

It is not an unprimeable number, because it can be changed into a prime (200131219) 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, 1511 + ... + 20063.

It is an arithmetic number, because the mean of its divisors is an integer number (15140064).

Almost surely, 2^200131211 is an apocalyptic number.

200131211 is a deficient number, since it is larger than the sum of its proper divisors (42109813).

200131211 is a wasteful number, since it uses less digits than its factorization.

200131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18650.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 200131211 is about 14146.7738725124. The cubic root of 200131211 is about 584.9314074494.

Adding to 200131211 its reverse (112131002), we get a palindrome (312262213).

The spelling of 200131211 in words is "two hundred million, one hundred thirty-one thousand, two hundred eleven".