343003313121 has 64 divisors (see below), whose sum is σ = 548229427200. Its totient is φ = 186509005056.

The previous prime is 343003313101. The next prime is 343003313131. The reversal of 343003313121 is 121313300343.

It is a happy number.

It is not a de Polignac number, because 343003313121 - 2¹³ = 343003304929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343003313091 and 343003313100.

It is not an unprimeable number, because it can be changed into a prime (343003313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78722475 + ... + 78726831.

It is an arithmetic number, because the mean of its divisors is an integer number (8566084800).

Almost surely, 2^343003313121 is an apocalyptic number.

It is an amenable number.

343003313121 is a deficient number, since it is larger than the sum of its proper divisors (205226114079).

343003313121 is a wasteful number, since it uses less digits than its factorization.

343003313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 343003313121 its reverse (121313300343), we get a palindrome (464316613464).

The spelling of 343003313121 in words is "three hundred forty-three billion, three million, three hundred thirteen thousand, one hundred twenty-one".