311344063 has 2 divisors, whose sum is σ = 311344064. Its totient is φ = 311344062.

The previous prime is 311344021. The next prime is 311344079. The reversal of 311344063 is 360443113.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (360443113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311344063 - 2⁹ = 311343551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311344463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155672031 + 155672032.

It is an arithmetic number, because the mean of its divisors is an integer number (155672032).

Almost surely, 2^311344063 is an apocalyptic number.

311344063 is a deficient number, since it is larger than the sum of its proper divisors (1).

311344063 is an equidigital number, since it uses as much as digits as its factorization.

311344063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 311344063 is about 17644.9444034262. The cubic root of 311344063 is about 677.7666514811.

Adding to 311344063 its reverse (360443113), we get a palindrome (671787176).

The spelling of 311344063 in words is "three hundred eleven million, three hundred forty-four thousand, sixty-three".