343000001 has 12 divisors (see below), whose sum is σ = 351891540. Its totient is φ = 334303200.

The previous prime is 342999977. The next prime is 343000003. The reversal of 343000001 is 100000343.

It is a Cunningham number, because it is equal to 700³+1.

It can be written as a sum of positive squares in 2 ways, for example, as 269452225 + 73547776 = 16415^2 + 8576^2 .

It is not a de Polignac number, because 343000001 - 2²² = 338805697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343000003) 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 in 11 ways as a sum of consecutive naturals, for example, 488951 + ... + 489651.

It is an arithmetic number, because the mean of its divisors is an integer number (29324295).

Almost surely, 2^343000001 is an apocalyptic number.

It is an amenable number.

343000001 is a deficient number, since it is larger than the sum of its proper divisors (8891539).

343000001 is an equidigital number, since it uses as much as digits as its factorization.

343000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 343000001 is about 18520.2592044496. The cubic root of 343000001 is about 700.0000006803. Note that the first 6 decimals are identical.

Adding to 343000001 its reverse (100000343), we get a palindrome (443000344).

The spelling of 343000001 in words is "three hundred forty-three million, one", and thus it is an aban number.