343323031 has 4 divisors (see below), whose sum is σ = 343670464. Its totient is φ = 342975600.

The previous prime is 343323017. The next prime is 343323049. The reversal of 343323031 is 130323343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343323031 - 2¹¹ = 343320983 is a prime.

It is a super-2 number, since 2×343323031² = 235741407230053922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343322993 and 343323011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343323011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172230 + ... + 174211.

It is an arithmetic number, because the mean of its divisors is an integer number (85917616).

Almost surely, 2^343323031 is an apocalyptic number.

343323031 is a deficient number, since it is larger than the sum of its proper divisors (347433).

343323031 is an equidigital number, since it uses as much as digits as its factorization.

343323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347432.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 343323031 is about 18528.9781423585. The cubic root of 343323031 is about 700.2196800305.

Adding to 343323031 its reverse (130323343), we get a palindrome (473646374).

The spelling of 343323031 in words is "three hundred forty-three million, three hundred twenty-three thousand, thirty-one".