343033121 has 2 divisors, whose sum is σ = 343033122. Its totient is φ = 343033120.

The previous prime is 343033111. The next prime is 343033129. The reversal of 343033121 is 121330343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340587025 + 2446096 = 18455^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 343033121 - 2⁶ = 343033057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343033093 and 343033102.

It is not a weakly prime, because it can be changed into another prime (343033129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171516560 + 171516561.

It is an arithmetic number, because the mean of its divisors is an integer number (171516561).

Almost surely, 2^343033121 is an apocalyptic number.

It is an amenable number.

343033121 is a deficient number, since it is larger than the sum of its proper divisors (1).

343033121 is an equidigital number, since it uses as much as digits as its factorization.

343033121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 343033121 is about 18521.1533388178. The cubic root of 343033121 is about 700.0225305673.

Adding to 343033121 its reverse (121330343), we get a palindrome (464363464).

The spelling of 343033121 in words is "three hundred forty-three million, thirty-three thousand, one hundred twenty-one".