311232330223 has 2 divisors, whose sum is σ = 311232330224. Its totient is φ = 311232330222.

The previous prime is 311232330209. The next prime is 311232330229. The reversal of 311232330223 is 322033232113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311232330223 - 2⁵ = 311232330191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311232330229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155616165111 + 155616165112.

It is an arithmetic number, because the mean of its divisors is an integer number (155616165112).

Almost surely, 2^311232330223 is an apocalyptic number.

311232330223 is a deficient number, since it is larger than the sum of its proper divisors (1).

311232330223 is an equidigital number, since it uses as much as digits as its factorization.

311232330223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 311232330223 its reverse (322033232113), we get a palindrome (633265562336).

The spelling of 311232330223 in words is "three hundred eleven billion, two hundred thirty-two million, three hundred thirty thousand, two hundred twenty-three".