1324310209993 has 2 divisors, whose sum is σ = 1324310209994. Its totient is φ = 1324310209992.

The previous prime is 1324310209991. The next prime is 1324310210029. The reversal of 1324310209993 is 3999020134231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1296530654409 + 27779555584 = 1138653^2 + 166672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324310209993 - 2¹ = 1324310209991 is a prime.

Together with 1324310209991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1324310209991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662155104996 + 662155104997.

It is an arithmetic number, because the mean of its divisors is an integer number (662155104997).

Almost surely, 2^{1324310209993} is an apocalyptic number.

It is an amenable number.

1324310209993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324310209993 is an equidigital number, since it uses as much as digits as its factorization.

1324310209993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 1324310209993 in words is "one trillion, three hundred twenty-four billion, three hundred ten million, two hundred nine thousand, nine hundred ninety-three".