313044410401321 has 2 divisors, whose sum is σ = 313044410401322. Its totient is φ = 313044410401320.

The previous prime is 313044410401319. The next prime is 313044410401357. The reversal of 313044410401321 is 123104014440313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267038902755625 + 46005507645696 = 16341325^2 + 6782736^2 .

It is a cyclic number.

It is not a de Polignac number, because 313044410401321 - 2¹ = 313044410401319 is a prime.

Together with 313044410401319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (313047410401321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156522205200660 + 156522205200661.

It is an arithmetic number, because the mean of its divisors is an integer number (156522205200661).

Almost surely, 2^{313044410401321} is an apocalyptic number.

It is an amenable number.

313044410401321 is a deficient number, since it is larger than the sum of its proper divisors (1).

313044410401321 is an equidigital number, since it uses as much as digits as its factorization.

313044410401321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 313044410401321 its reverse (123104014440313), we get a palindrome (436148424841634).

The spelling of 313044410401321 in words is "three hundred thirteen trillion, forty-four billion, four hundred ten million, four hundred one thousand, three hundred twenty-one".