343117381 has 8 divisors (see below), whose sum is σ = 361206720. Its totient is φ = 325292352.

The previous prime is 343117373. The next prime is 343117387. The reversal of 343117381 is 183711343.

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 343117381 - 2³ = 343117373 is a prime.

It is a super-2 number, since 2×343117381² = 235459074288598322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343117387) 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, 63411 + ... + 68608.

It is an arithmetic number, because the mean of its divisors is an integer number (45150840).

Almost surely, 2^343117381 is an apocalyptic number.

It is an amenable number.

343117381 is a deficient number, since it is larger than the sum of its proper divisors (18089339).

343117381 is a wasteful number, since it uses less digits than its factorization.

343117381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132155.

The product of its digits is 6048, while the sum is 31.

The square root of 343117381 is about 18523.4278955057. The cubic root of 343117381 is about 700.0798419133.

The spelling of 343117381 in words is "three hundred forty-three million, one hundred seventeen thousand, three hundred eighty-one".