1001313320323 has 2 divisors, whose sum is σ = 1001313320324. Its totient is φ = 1001313320322.

The previous prime is 1001313320303. The next prime is 1001313320339. The reversal of 1001313320323 is 3230233131001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001313320323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001313320294 and 1001313320303.

It is not a weakly prime, because it can be changed into another prime (1001313320303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500656660161 + 500656660162.

It is an arithmetic number, because the mean of its divisors is an integer number (500656660162).

Almost surely, 2^{1001313320323} is an apocalyptic number.

1001313320323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001313320323 is an equidigital number, since it uses as much as digits as its factorization.

1001313320323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1001313320323 its reverse (3230233131001), we get a palindrome (4231546451324).

The spelling of 1001313320323 in words is "one trillion, one billion, three hundred thirteen million, three hundred twenty thousand, three hundred twenty-three".