343011331 has 8 divisors (see below), whose sum is σ = 369550944. Its totient is φ = 316493760.

The previous prime is 343011307. The next prime is 343011343. The reversal of 343011331 is 133110343.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343011331 is a prime.

It is a super-3 number, since 3×343011331³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343011299 and 343011308.

It is not an unprimeable number, because it can be changed into a prime (343011131) 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, 42111 + ... + 49591.

It is an arithmetic number, because the mean of its divisors is an integer number (46193868).

Almost surely, 2^343011331 is an apocalyptic number.

343011331 is a deficient number, since it is larger than the sum of its proper divisors (26539613).

343011331 is a wasteful number, since it uses less digits than its factorization.

343011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 343011331 is about 18520.5650831717. The cubic root of 343011331 is about 700.0077080784.

Adding to 343011331 its reverse (133110343), we get a palindrome (476121674).

The spelling of 343011331 in words is "three hundred forty-three million, eleven thousand, three hundred thirty-one".