343004121 has 24 divisors (see below), whose sum is σ = 525868200. Its totient is φ = 214695936.

The previous prime is 343004113. The next prime is 343004153. The reversal of 343004121 is 121400343.

It can be written as a sum of positive squares in 4 ways, for example, as 84437721 + 258566400 = 9189^2 + 16080^2 .

It is not a de Polignac number, because 343004121 - 2³ = 343004113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343004094 and 343004103.

It is not an unprimeable number, because it can be changed into a prime (343004191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66201 + ... + 71193.

It is an arithmetic number, because the mean of its divisors is an integer number (21911175).

Almost surely, 2^343004121 is an apocalyptic number.

It is an amenable number.

343004121 is a deficient number, since it is larger than the sum of its proper divisors (182864079).

343004121 is a wasteful number, since it uses less digits than its factorization.

343004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465 (or 5462 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 343004121 is about 18520.3704336603. The cubic root of 343004121 is about 700.0028033901.

Adding to 343004121 its reverse (121400343), we get a palindrome (464404464).

The spelling of 343004121 in words is "three hundred forty-three million, four thousand, one hundred twenty-one".