2311750585813 has 2 divisors, whose sum is σ = 2311750585814. Its totient is φ = 2311750585812.

The previous prime is 2311750585811. The next prime is 2311750585817. The reversal of 2311750585813 is 3185850571132.

2311750585813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2050099921489 + 261650664324 = 1431817^2 + 511518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311750585813 - 2¹ = 2311750585811 is a prime.

Together with 2311750585811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311750585811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155875292906 + 1155875292907.

It is an arithmetic number, because the mean of its divisors is an integer number (1155875292907).

Almost surely, 2^{2311750585813} is an apocalyptic number.

It is an amenable number.

2311750585813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311750585813 is an equidigital number, since it uses as much as digits as its factorization.

2311750585813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 2311750585813 in words is "two trillion, three hundred eleven billion, seven hundred fifty million, five hundred eighty-five thousand, eight hundred thirteen".