313301234420261 has 2 divisors, whose sum is σ = 313301234420262. Its totient is φ = 313301234420260.

The previous prime is 313301234420197. The next prime is 313301234420297. The reversal of 313301234420261 is 162024432103313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307478153853025 + 5823080567236 = 17535055^2 + 2413106^2 .

It is a cyclic number.

It is not a de Polignac number, because 313301234420261 - 2⁶ = 313301234420197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313301234420561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156650617210130 + 156650617210131.

It is an arithmetic number, because the mean of its divisors is an integer number (156650617210131).

Almost surely, 2^{313301234420261} is an apocalyptic number.

It is an amenable number.

313301234420261 is a deficient number, since it is larger than the sum of its proper divisors (1).

313301234420261 is an equidigital number, since it uses as much as digits as its factorization.

313301234420261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 313301234420261 its reverse (162024432103313), we get a palindrome (475325666523574).

The spelling of 313301234420261 in words is "three hundred thirteen trillion, three hundred one billion, two hundred thirty-four million, four hundred twenty thousand, two hundred sixty-one".