343180913 has 2 divisors, whose sum is σ = 343180914. Its totient is φ = 343180912.

The previous prime is 343180909. The next prime is 343180933. The reversal of 343180913 is 319081343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317089249 + 26091664 = 17807^2 + 5108^2 .

It is a cyclic number.

It is not a de Polignac number, because 343180913 - 2² = 343180909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343180913.

It is not a weakly prime, because it can be changed into another prime (343180933) 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, 171590456 + 171590457.

It is an arithmetic number, because the mean of its divisors is an integer number (171590457).

Almost surely, 2^343180913 is an apocalyptic number.

It is an amenable number.

343180913 is a deficient number, since it is larger than the sum of its proper divisors (1).

343180913 is an equidigital number, since it uses as much as digits as its factorization.

343180913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 343180913 is about 18525.1427254961. The cubic root of 343180913 is about 700.1230484369.

The spelling of 343180913 in words is "three hundred forty-three million, one hundred eighty thousand, nine hundred thirteen".