343020351 has 8 divisors (see below), whose sum is σ = 460274224. Its totient is φ = 227223360.

The previous prime is 343020343. The next prime is 343020371. The reversal of 343020351 is 153020343.

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

It is not a de Polignac number, because 343020351 - 2³ = 343020343 is a prime.

It is a super-2 number, since 2×343020351² = 235325922400326402, 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 (343020371) 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, 363670 + ... + 364611.

It is an arithmetic number, because the mean of its divisors is an integer number (57534278).

Almost surely, 2^343020351 is an apocalyptic number.

343020351 is a deficient number, since it is larger than the sum of its proper divisors (117253873).

343020351 is a wasteful number, since it uses less digits than its factorization.

343020351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728441.

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

The square root of 343020351 is about 18520.8085946591. The cubic root of 343020351 is about 700.0138439439.

Adding to 343020351 its reverse (153020343), we get a palindrome (496040694).

The spelling of 343020351 in words is "three hundred forty-three million, twenty thousand, three hundred fifty-one".