343053021 has 8 divisors (see below), whose sum is σ = 461679264. Its totient is φ = 226564400.

The previous prime is 343053017. The next prime is 343053023. The reversal of 343053021 is 120350343.

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

It is a cyclic number.

It is not a de Polignac number, because 343053021 - 2² = 343053017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343053023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534030 + ... + 534671.

It is an arithmetic number, because the mean of its divisors is an integer number (57709908).

Almost surely, 2^343053021 is an apocalyptic number.

It is an amenable number.

343053021 is a deficient number, since it is larger than the sum of its proper divisors (118626243).

343053021 is a wasteful number, since it uses less digits than its factorization.

343053021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068811.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 343053021 is about 18521.6905545903. The cubic root of 343053021 is about 700.0360668491.

The spelling of 343053021 in words is "three hundred forty-three million, fifty-three thousand, twenty-one".