311324234563 has 2 divisors, whose sum is σ = 311324234564. Its totient is φ = 311324234562.

The previous prime is 311324234521. The next prime is 311324234581. The reversal of 311324234563 is 365432423113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311324234563 - 2¹⁷ = 311324103491 is a prime.

It is not a weakly prime, because it can be changed into another prime (311324231563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155662117281 + 155662117282.

It is an arithmetic number, because the mean of its divisors is an integer number (155662117282).

Almost surely, 2^311324234563 is an apocalyptic number.

311324234563 is a deficient number, since it is larger than the sum of its proper divisors (1).

311324234563 is an equidigital number, since it uses as much as digits as its factorization.

311324234563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

Adding to 311324234563 its reverse (365432423113), we get a palindrome (676756657676).

The spelling of 311324234563 in words is "three hundred eleven billion, three hundred twenty-four million, two hundred thirty-four thousand, five hundred sixty-three".