1002310232321 has 2 divisors, whose sum is σ = 1002310232322. Its totient is φ = 1002310232320.

The previous prime is 1002310232291. The next prime is 1002310232323. The reversal of 1002310232321 is 1232320132001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752445214096 + 249865018225 = 867436^2 + 499865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002310232321 - 2²⁶ = 1002243123457 is a prime.

It is a Sophie Germain prime.

Together with 1002310232323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002310232293 and 1002310232302.

It is not a weakly prime, because it can be changed into another prime (1002310232323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501155116160 + 501155116161.

It is an arithmetic number, because the mean of its divisors is an integer number (501155116161).

Almost surely, 2^{1002310232321} is an apocalyptic number.

It is an amenable number.

1002310232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002310232321 is an equidigital number, since it uses as much as digits as its factorization.

1002310232321 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 1002310232321 its reverse (1232320132001), we get a palindrome (2234630364322).

The spelling of 1002310232321 in words is "one trillion, two billion, three hundred ten million, two hundred thirty-two thousand, three hundred twenty-one".