200831399 has 2 divisors, whose sum is σ = 200831400. Its totient is φ = 200831398.

The previous prime is 200831383. The next prime is 200831401. The reversal of 200831399 is 993138002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200831399 - 2⁴ = 200831383 is a prime.

Together with 200831401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200831599) 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 as a sum of consecutive naturals, namely, 100415699 + 100415700.

It is an arithmetic number, because the mean of its divisors is an integer number (100415700).

Almost surely, 2^200831399 is an apocalyptic number.

200831399 is a deficient number, since it is larger than the sum of its proper divisors (1).

200831399 is an equidigital number, since it uses as much as digits as its factorization.

200831399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 200831399 is about 14171.4995325124. The cubic root of 200831399 is about 585.6127691742.

The spelling of 200831399 in words is "two hundred million, eight hundred thirty-one thousand, three hundred ninety-nine".