3123320320331 has 2 divisors, whose sum is σ = 3123320320332. Its totient is φ = 3123320320330.

The previous prime is 3123320320231. The next prime is 3123320320411. The reversal of 3123320320331 is 1330230233213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3123320320331 - 2¹⁴ = 3123320303947 is a prime.

It is a super-2 number, since 2×3123320320331² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3123320320331.

It is not a weakly prime, because it can be changed into another prime (3123320320231) 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, 1561660160165 + 1561660160166.

It is an arithmetic number, because the mean of its divisors is an integer number (1561660160166).

Almost surely, 2^{3123320320331} is an apocalyptic number.

3123320320331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123320320331 is an equidigital number, since it uses as much as digits as its factorization.

3123320320331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 3123320320331 its reverse (1330230233213), we get a palindrome (4453550553544).

The spelling of 3123320320331 in words is "three trillion, one hundred twenty-three billion, three hundred twenty million, three hundred twenty thousand, three hundred thirty-one".