313031322054361 has 2 divisors, whose sum is σ = 313031322054362. Its totient is φ = 313031322054360.

The previous prime is 313031322054349. The next prime is 313031322054383. The reversal of 313031322054361 is 163450223130313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279696357015625 + 33334965038736 = 16724125^2 + 5773644^2 .

It is a cyclic number.

It is not a de Polignac number, because 313031322054361 - 2⁷ = 313031322054233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313031322054361.

It is not a weakly prime, because it can be changed into another prime (313031322054461) 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, 156515661027180 + 156515661027181.

It is an arithmetic number, because the mean of its divisors is an integer number (156515661027181).

Almost surely, 2^{313031322054361} is an apocalyptic number.

It is an amenable number.

313031322054361 is a deficient number, since it is larger than the sum of its proper divisors (1).

313031322054361 is an equidigital number, since it uses as much as digits as its factorization.

313031322054361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 313031322054361 its reverse (163450223130313), we get a palindrome (476481545184674).

The spelling of 313031322054361 in words is "three hundred thirteen trillion, thirty-one billion, three hundred twenty-two million, fifty-four thousand, three hundred sixty-one".