311300201 has 2 divisors, whose sum is σ = 311300202. Its totient is φ = 311300200.

The previous prime is 311300189. The next prime is 311300207. The reversal of 311300201 is 102003113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244453225 + 66846976 = 15635^2 + 8176^2 .

It is a cyclic number.

It is not a de Polignac number, because 311300201 - 2⁶ = 311300137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (311300207) 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, 155650100 + 155650101.

It is an arithmetic number, because the mean of its divisors is an integer number (155650101).

Almost surely, 2^311300201 is an apocalyptic number.

It is an amenable number.

311300201 is a deficient number, since it is larger than the sum of its proper divisors (1).

311300201 is an equidigital number, since it uses as much as digits as its factorization.

311300201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 311300201 is about 17643.7014540600. The cubic root of 311300201 is about 677.7348221744.

Adding to 311300201 its reverse (102003113), we get a palindrome (413303314).

The spelling of 311300201 in words is "three hundred eleven million, three hundred thousand, two hundred one".