343130121 has 8 divisors (see below), whose sum is σ = 508340960. Its totient is φ = 228753396.

The previous prime is 343130111. The next prime is 343130131. The reversal of 343130121 is 121031343.

343130121 is a `hidden beast` number, since 343 + 1 + 301 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (343130111) and next prime (343130131).

It is not a de Polignac number, because 343130121 - 2⁵ = 343130089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343130094 and 343130103.

It is not an unprimeable number, because it can be changed into a prime (343130111) 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 in 7 ways as a sum of consecutive naturals, for example, 6354235 + ... + 6354288.

It is an arithmetic number, because the mean of its divisors is an integer number (63542620).

Almost surely, 2^343130121 is an apocalyptic number.

It is an amenable number.

343130121 is a deficient number, since it is larger than the sum of its proper divisors (165210839).

343130121 is a wasteful number, since it uses less digits than its factorization.

343130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12708532 (or 12708526 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 343130121 is about 18523.7717811465. The cubic root of 343130121 is about 700.0885064960.

Adding to 343130121 its reverse (121031343), we get a palindrome (464161464).

The spelling of 343130121 in words is "three hundred forty-three million, one hundred thirty thousand, one hundred twenty-one".