343360365281 has 2 divisors, whose sum is σ = 343360365282. Its totient is φ = 343360365280.

The previous prime is 343360365263. The next prime is 343360365311. The reversal of 343360365281 is 182563063343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340957895056 + 2402470225 = 583916^2 + 49015^2 .

It is an emirp because it is prime and its reverse (182563063343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343360365281 - 2⁶ = 343360365217 is a prime.

It is a super-2 number, since 2×343360365281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343360965281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171680182640 + 171680182641.

It is an arithmetic number, because the mean of its divisors is an integer number (171680182641).

Almost surely, 2^343360365281 is an apocalyptic number.

It is an amenable number.

343360365281 is a deficient number, since it is larger than the sum of its proper divisors (1).

343360365281 is an equidigital number, since it uses as much as digits as its factorization.

343360365281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 343360365281 in words is "three hundred forty-three billion, three hundred sixty million, three hundred sixty-five thousand, two hundred eighty-one".