343121133 has 8 divisors (see below), whose sum is σ = 481573600. Its totient is φ = 216708048.

The previous prime is 343121059. The next prime is 343121147. The reversal of 343121133 is 331121343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343121133 - 2¹⁷ = 342990061 is a prime.

It is a super-2 number, since 2×343121133² = 235464223822407378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343121833) 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 7 ways as a sum of consecutive naturals, for example, 3009778 + ... + 3009891.

It is an arithmetic number, because the mean of its divisors is an integer number (60196700).

Almost surely, 2^343121133 is an apocalyptic number.

It is an amenable number.

343121133 is a deficient number, since it is larger than the sum of its proper divisors (138452467).

343121133 is a wasteful number, since it uses less digits than its factorization.

343121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019691.

The product of its digits is 648, while the sum is 21.

The square root of 343121133 is about 18523.5291723797. The cubic root of 343121133 is about 700.0823937028.

Adding to 343121133 its reverse (331121343), we get a palindrome (674242476).

The spelling of 343121133 in words is "three hundred forty-three million, one hundred twenty-one thousand, one hundred thirty-three".