340313421361 has 2 divisors, whose sum is σ = 340313421362. Its totient is φ = 340313421360.

The previous prime is 340313421341. The next prime is 340313421389. The reversal of 340313421361 is 163124313043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170337798400 + 169975622961 = 412720^2 + 412281^2 .

It is a cyclic number.

It is not a de Polignac number, because 340313421361 - 2¹⁹ = 340312897073 is a prime.

It is not a weakly prime, because it can be changed into another prime (340313421341) 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, 170156710680 + 170156710681.

It is an arithmetic number, because the mean of its divisors is an integer number (170156710681).

Almost surely, 2^340313421361 is an apocalyptic number.

It is an amenable number.

340313421361 is a deficient number, since it is larger than the sum of its proper divisors (1).

340313421361 is an equidigital number, since it uses as much as digits as its factorization.

340313421361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 340313421361 in words is "three hundred forty billion, three hundred thirteen million, four hundred twenty-one thousand, three hundred sixty-one".