200311049 has 2 divisors, whose sum is σ = 200311050. Its totient is φ = 200311048.

The previous prime is 200311031. The next prime is 200311061. The reversal of 200311049 is 940113002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143233024 + 57078025 = 11968^2 + 7555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200311049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200311049.

It is not a weakly prime, because it can be changed into another prime (200311019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100155524 + 100155525.

It is an arithmetic number, because the mean of its divisors is an integer number (100155525).

Almost surely, 2^200311049 is an apocalyptic number.

It is an amenable number.

200311049 is a deficient number, since it is larger than the sum of its proper divisors (1).

200311049 is an equidigital number, since it uses as much as digits as its factorization.

200311049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 200311049 is about 14153.1285940600. The cubic root of 200311049 is about 585.1065615410.

The spelling of 200311049 in words is "two hundred million, three hundred eleven thousand, forty-nine".