199300831 has 2 divisors, whose sum is σ = 199300832. Its totient is φ = 199300830.

The previous prime is 199300811. The next prime is 199300867. The reversal of 199300831 is 138003991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199300831 - 2⁵ = 199300799 is a prime.

It is a super-2 number, since 2×199300831² = 79441642474581122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199300811) 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, 99650415 + 99650416.

It is an arithmetic number, because the mean of its divisors is an integer number (99650416).

Almost surely, 2^199300831 is an apocalyptic number.

199300831 is a deficient number, since it is larger than the sum of its proper divisors (1).

199300831 is an equidigital number, since it uses as much as digits as its factorization.

199300831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 199300831 is about 14117.3946250716. The cubic root of 199300831 is about 584.1212911502.

The spelling of 199300831 in words is "one hundred ninety-nine million, three hundred thousand, eight hundred thirty-one".