343081731 has 8 divisors (see below), whose sum is σ = 477331200. Its totient is φ = 218776712.

The previous prime is 343081729. The next prime is 343081733. The reversal of 343081731 is 137180343.

It is an interprime number because it is at equal distance from previous prime (343081729) and next prime (343081733).

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 343081731 - 2¹ = 343081729 is a prime.

It is a super-2 number, since 2×343081731² = 235410148291912722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343081733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486031 + ... + 2486168.

It is an arithmetic number, because the mean of its divisors is an integer number (59666400).

Almost surely, 2^343081731 is an apocalyptic number.

343081731 is a deficient number, since it is larger than the sum of its proper divisors (134249469).

343081731 is a wasteful number, since it uses less digits than its factorization.

343081731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972225.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 343081731 is about 18522.4655756192. The cubic root of 343081731 is about 700.0555949042.

The spelling of 343081731 in words is "three hundred forty-three million, eighty-one thousand, seven hundred thirty-one".