1002202321313 has 2 divisors, whose sum is σ = 1002202321314. Its totient is φ = 1002202321312.

The previous prime is 1002202321301. The next prime is 1002202321321. The reversal of 1002202321313 is 3131232022001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998424620944 + 3777700369 = 999212^2 + 61463^2 .

It is an emirp because it is prime and its reverse (3131232022001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002202321313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1002202321613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501101160656 + 501101160657.

It is an arithmetic number, because the mean of its divisors is an integer number (501101160657).

Almost surely, 2^{1002202321313} is an apocalyptic number.

It is an amenable number.

1002202321313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002202321313 is an equidigital number, since it uses as much as digits as its factorization.

1002202321313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1002202321313 its reverse (3131232022001), we get a palindrome (4133434343314).

The spelling of 1002202321313 in words is "one trillion, two billion, two hundred two million, three hundred twenty-one thousand, three hundred thirteen".