343333381 has 8 divisors (see below), whose sum is σ = 350352704. Its totient is φ = 336376800.

The previous prime is 343333369. The next prime is 343333421. The reversal of 343333381 is 183333343.

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 343333381 - 2¹¹ = 343331333 is a prime.

It is a super-2 number, since 2×343333381² = 235755621017782322, 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 (343333301) 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, 4551 + ... + 26596.

It is an arithmetic number, because the mean of its divisors is an integer number (43794088).

Almost surely, 2^343333381 is an apocalyptic number.

It is an amenable number.

343333381 is a deficient number, since it is larger than the sum of its proper divisors (7019323).

343333381 is a wasteful number, since it uses less digits than its factorization.

343333381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31371.

The product of its digits is 23328, while the sum is 31.

The square root of 343333381 is about 18529.2574325039. The cubic root of 343333381 is about 700.2267163590.

The spelling of 343333381 in words is "three hundred forty-three million, three hundred thirty-three thousand, three hundred eighty-one".