343561231 has 8 divisors (see below), whose sum is σ = 382747680. Its totient is φ = 306197472.

The previous prime is 343561223. The next prime is 343561237. The reversal of 343561231 is 132165343.

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 343561231 - 2³ = 343561223 is a prime.

It is a super-2 number, since 2×343561231² = 236068638892470722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343561231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343561237) 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, 455275 + ... + 456028.

It is an arithmetic number, because the mean of its divisors is an integer number (47843460).

Almost surely, 2^343561231 is an apocalyptic number.

343561231 is a deficient number, since it is larger than the sum of its proper divisors (39186449).

343561231 is a wasteful number, since it uses less digits than its factorization.

343561231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911345.

The product of its digits is 6480, while the sum is 28.

The square root of 343561231 is about 18535.4047973062. The cubic root of 343561231 is about 700.3815817515.

The spelling of 343561231 in words is "three hundred forty-three million, five hundred sixty-one thousand, two hundred thirty-one".