343360221265 has 4 divisors (see below), whose sum is σ = 412032265524. Its totient is φ = 274688177008.

The previous prime is 343360221247. The next prime is 343360221271. The reversal of 343360221265 is 562122063343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127143591184 + 216216630081 = 356572^2 + 464991^2 .

It is a cyclic number.

It is not a de Polignac number, because 343360221265 - 2⁷ = 343360221137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34336022122 + ... + 34336022131.

It is an arithmetic number, because the mean of its divisors is an integer number (103008066381).

Almost surely, 2^343360221265 is an apocalyptic number.

It is an amenable number.

343360221265 is a deficient number, since it is larger than the sum of its proper divisors (68672044259).

343360221265 is an equidigital number, since it uses as much as digits as its factorization.

343360221265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68672044258.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 343360221265 in words is "three hundred forty-three billion, three hundred sixty million, two hundred twenty-one thousand, two hundred sixty-five".