311230211063 has 2 divisors, whose sum is σ = 311230211064. Its totient is φ = 311230211062.

The previous prime is 311230211009. The next prime is 311230211101. The reversal of 311230211063 is 360112032113.

It is a strong prime.

It is an emirp because it is prime and its reverse (360112032113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311230211063 - 2²⁰ = 311229162487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230211003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615105531 + 155615105532.

It is an arithmetic number, because the mean of its divisors is an integer number (155615105532).

Almost surely, 2^311230211063 is an apocalyptic number.

311230211063 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230211063 is an equidigital number, since it uses as much as digits as its factorization.

311230211063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 311230211063 its reverse (360112032113), we get a palindrome (671342243176).

The spelling of 311230211063 in words is "three hundred eleven billion, two hundred thirty million, two hundred eleven thousand, sixty-three".