311044303123 has 2 divisors, whose sum is σ = 311044303124. Its totient is φ = 311044303122.

The previous prime is 311044303111. The next prime is 311044303133. The reversal of 311044303123 is 321303440113.

It is a strong prime.

It is an emirp because it is prime and its reverse (321303440113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311044303123 is a prime.

It is not a weakly prime, because it can be changed into another prime (311044303133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155522151561 + 155522151562.

It is an arithmetic number, because the mean of its divisors is an integer number (155522151562).

Almost surely, 2^311044303123 is an apocalyptic number.

311044303123 is a deficient number, since it is larger than the sum of its proper divisors (1).

311044303123 is an equidigital number, since it uses as much as digits as its factorization.

311044303123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 311044303123 its reverse (321303440113), we get a palindrome (632347743236).

The spelling of 311044303123 in words is "three hundred eleven billion, forty-four million, three hundred three thousand, one hundred twenty-three".