311123334561047 has 2 divisors, whose sum is σ = 311123334561048. Its totient is φ = 311123334561046.

The previous prime is 311123334560939. The next prime is 311123334561103. The reversal of 311123334561047 is 740165433321113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311123334561047 - 2²⁶ = 311123267452183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311123334560989 and 311123334561007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311123334560047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155561667280523 + 155561667280524.

It is an arithmetic number, because the mean of its divisors is an integer number (155561667280524).

Almost surely, 2^{311123334561047} is an apocalyptic number.

311123334561047 is a deficient number, since it is larger than the sum of its proper divisors (1).

311123334561047 is an equidigital number, since it uses as much as digits as its factorization.

311123334561047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 311123334561047 in words is "three hundred eleven trillion, one hundred twenty-three billion, three hundred thirty-four million, five hundred sixty-one thousand, forty-seven".