1002320302331 has 2 divisors, whose sum is σ = 1002320302332. Its totient is φ = 1002320302330.

The previous prime is 1002320302307. The next prime is 1002320302381. The reversal of 1002320302331 is 1332030232001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002320302331 is a prime.

It is a super-2 number, since 2×1002320302331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002320302381) 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, 501160151165 + 501160151166.

It is an arithmetic number, because the mean of its divisors is an integer number (501160151166).

Almost surely, 2^{1002320302331} is an apocalyptic number.

1002320302331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002320302331 is an equidigital number, since it uses as much as digits as its factorization.

1002320302331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1002320302331 its reverse (1332030232001), we get a palindrome (2334350534332).

The spelling of 1002320302331 in words is "one trillion, two billion, three hundred twenty million, three hundred two thousand, three hundred thirty-one".