343304121 has 16 divisors (see below), whose sum is σ = 468129024. Its totient is φ = 223688064.

The previous prime is 343304113. The next prime is 343304147. The reversal of 343304121 is 121403343.

It is not a de Polignac number, because 343304121 - 2³ = 343304113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343304191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144475 + ... + 146831.

It is an arithmetic number, because the mean of its divisors is an integer number (29258064).

Almost surely, 2^343304121 is an apocalyptic number.

It is an amenable number.

343304121 is a deficient number, since it is larger than the sum of its proper divisors (124824903).

343304121 is a wasteful number, since it uses less digits than its factorization.

343304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 343304121 is about 18528.4678535490. The cubic root of 343304121 is about 700.2068239192.

Adding to 343304121 its reverse (121403343), we get a palindrome (464707464).

The spelling of 343304121 in words is "three hundred forty-three million, three hundred four thousand, one hundred twenty-one".