311324234603 has 2 divisors, whose sum is σ = 311324234604. Its totient is φ = 311324234602.

The previous prime is 311324234581. The next prime is 311324234633. The reversal of 311324234603 is 306432423113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311324234603 is a prime.

It is a super-2 number, since 2×311324234603² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311324234603.

It is not a weakly prime, because it can be changed into another prime (311324234633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155662117301 + 155662117302.

It is an arithmetic number, because the mean of its divisors is an integer number (155662117302).

Almost surely, 2^311324234603 is an apocalyptic number.

311324234603 is a deficient number, since it is larger than the sum of its proper divisors (1).

311324234603 is an equidigital number, since it uses as much as digits as its factorization.

311324234603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 311324234603 its reverse (306432423113), we get a palindrome (617756657716).

The spelling of 311324234603 in words is "three hundred eleven billion, three hundred twenty-four million, two hundred thirty-four thousand, six hundred three".