343130320434 has 64 divisors (see below), whose sum is σ = 774838702080. Its totient is φ = 100359000000.

The previous prime is 343130320387. The next prime is 343130320439. The reversal of 343130320434 is 434023031343.

It is a super-2 number, since 2×343130320434² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343130320439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554184 + ... + 996684.

It is an arithmetic number, because the mean of its divisors is an integer number (12106854720).

Almost surely, 2^343130320434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343130320434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387419351040).

343130320434 is an abundant number, since it is smaller than the sum of its proper divisors (431708381646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343130320434 is a wasteful number, since it uses less digits than its factorization.

343130320434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442927.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 343130320434 its reverse (434023031343), we get a palindrome (777153351777).

The spelling of 343130320434 in words is "three hundred forty-three billion, one hundred thirty million, three hundred twenty thousand, four hundred thirty-four".