348362187281 has 2 divisors, whose sum is σ = 348362187282. Its totient is φ = 348362187280.

The previous prime is 348362187253. The next prime is 348362187317. The reversal of 348362187281 is 182781263843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348346663681 + 15523600 = 590209^2 + 3940^2 .

It is a cyclic number.

It is not a de Polignac number, because 348362187281 - 2¹⁸ = 348361925137 is a prime.

It is a super-2 number, since 2×348362187281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (348362187211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174181093640 + 174181093641.

It is an arithmetic number, because the mean of its divisors is an integer number (174181093641).

Almost surely, 2^348362187281 is an apocalyptic number.

It is an amenable number.

348362187281 is a deficient number, since it is larger than the sum of its proper divisors (1).

348362187281 is an equidigital number, since it uses as much as digits as its factorization.

348362187281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 53.

The spelling of 348362187281 in words is "three hundred forty-eight billion, three hundred sixty-two million, one hundred eighty-seven thousand, two hundred eighty-one".