3313120231321 has 2 divisors, whose sum is σ = 3313120231322. Its totient is φ = 3313120231320.

The previous prime is 3313120231319. The next prime is 3313120231327. The reversal of 3313120231321 is 1231320213133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3154247040400 + 158873190921 = 1776020^2 + 398589^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313120231321 - 2¹ = 3313120231319 is a prime.

Together with 3313120231319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3313120231327) 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, 1656560115660 + 1656560115661.

It is an arithmetic number, because the mean of its divisors is an integer number (1656560115661).

Almost surely, 2^{3313120231321} is an apocalyptic number.

It is an amenable number.

3313120231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313120231321 is an equidigital number, since it uses as much as digits as its factorization.

3313120231321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3313120231321 its reverse (1231320213133), we get a palindrome (4544440444454).

The spelling of 3313120231321 in words is "three trillion, three hundred thirteen billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twenty-one".