2311204071329 has 2 divisors, whose sum is σ = 2311204071330. Its totient is φ = 2311204071328.

The previous prime is 2311204071307. The next prime is 2311204071331. The reversal of 2311204071329 is 9231704021132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2163982218304 + 147221853025 = 1471048^2 + 383695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311204071329 - 2¹² = 2311204067233 is a prime.

Together with 2311204071331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2311204031329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155602035664 + 1155602035665.

It is an arithmetic number, because the mean of its divisors is an integer number (1155602035665).

Almost surely, 2^{2311204071329} is an apocalyptic number.

It is an amenable number.

2311204071329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311204071329 is an equidigital number, since it uses as much as digits as its factorization.

2311204071329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 2311204071329 in words is "two trillion, three hundred eleven billion, two hundred four million, seventy-one thousand, three hundred twenty-nine".