311023203311063 has 2 divisors, whose sum is σ = 311023203311064. Its totient is φ = 311023203311062.

The previous prime is 311023203311047. The next prime is 311023203311099. The reversal of 311023203311063 is 360113302320113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311023203311063 - 2⁴ = 311023203311047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311023203311363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155511601655531 + 155511601655532.

It is an arithmetic number, because the mean of its divisors is an integer number (155511601655532).

Almost surely, 2^{311023203311063} is an apocalyptic number.

311023203311063 is a deficient number, since it is larger than the sum of its proper divisors (1).

311023203311063 is an equidigital number, since it uses as much as digits as its factorization.

311023203311063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 311023203311063 its reverse (360113302320113), we get a palindrome (671136505631176).

The spelling of 311023203311063 in words is "three hundred eleven trillion, twenty-three billion, two hundred three million, three hundred eleven thousand, sixty-three".