200131 has 2 divisors, whose sum is σ = 200132.
Its totient is φ = 200130.
The previous prime is 200117. The next prime is 200153. The reversal of 200131 is 131002.
200131 is nontrivially palindromic in base 4.
200131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 200131 - 27 = 200003 is a prime.
It is a super-2 number, since 2×2001312 = 80104834322, which contains 22 as substring.
It is a plaindrome in base 9.
It is not a weakly prime, because it can be changed into another prime (200171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100065 + 100066.
It is an arithmetic number, because the mean of its divisors is an integer number (100066).
2200131 is an apocalyptic number.
200131 is a deficient number, since it is larger than the sum of its proper divisors (1).
200131 is an equidigital number, since it uses as much as digits as its factorization.
200131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 200131 is about 447.3600339771.
The cubic root of 200131 is about 58.4931201883.
Adding to 200131 its reverse (131002), we get a palindrome (331133).
The spelling of 200131 in words is "two hundred thousand, one hundred thirty-one".