343650313 has 2 divisors, whose sum is σ = 343650314. Its totient is φ = 343650312.

The previous prime is 343650311. The next prime is 343650341. The reversal of 343650313 is 313056343.

It is an a-pointer prime, because the next prime (343650341) can be obtained adding 343650313 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280495504 + 63154809 = 16748^2 + 7947^2 .

It is a cyclic number.

It is not a de Polignac number, because 343650313 - 2¹ = 343650311 is a prime.

Together with 343650311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (343650311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171825156 + 171825157.

It is an arithmetic number, because the mean of its divisors is an integer number (171825157).

Almost surely, 2^343650313 is an apocalyptic number.

It is an amenable number.

343650313 is a deficient number, since it is larger than the sum of its proper divisors (1).

343650313 is an equidigital number, since it uses as much as digits as its factorization.

343650313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 343650313 is about 18537.8076643383. The cubic root of 343650313 is about 700.4421105061.

The spelling of 343650313 in words is "three hundred forty-three million, six hundred fifty thousand, three hundred thirteen".