1002321213313 has 4 divisors (see below), whose sum is σ = 1145509958080. Its totient is φ = 859132468548.

The previous prime is 1002321213293. The next prime is 1002321213323. The reversal of 1002321213313 is 3133121232001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002321213313 - 2³³ = 993731278721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002321213323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71594372373 + ... + 71594372386.

It is an arithmetic number, because the mean of its divisors is an integer number (286377489520).

Almost surely, 2^{1002321213313} is an apocalyptic number.

It is an amenable number.

1002321213313 is a deficient number, since it is larger than the sum of its proper divisors (143188744767).

1002321213313 is an equidigital number, since it uses as much as digits as its factorization.

1002321213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143188744766.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1002321213313 its reverse (3133121232001), we get a palindrome (4135442445314).

The spelling of 1002321213313 in words is "one trillion, two billion, three hundred twenty-one million, two hundred thirteen thousand, three hundred thirteen".