343420130304420 has 192 divisors, whose sum is σ = 1037804473488384. Its totient is φ = 84349689822720.

The previous prime is 343420130304341. The next prime is 343420130304439. The reversal of 343420130304420 is 24403031024343.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2773862239 + ... + 2773986041.

It is an arithmetic number, because the mean of its divisors is an integer number (5405231632752).

Almost surely, 2^{343420130304420} is an apocalyptic number.

343420130304420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343420130304420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518902236744192).

343420130304420 is an abundant number, since it is smaller than the sum of its proper divisors (694384343183964).

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

343420130304420 is a wasteful number, since it uses less digits than its factorization.

343420130304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131562 (or 131560 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 343420130304420 its reverse (24403031024343), we get a palindrome (367823161328763).

The spelling of 343420130304420 in words is "three hundred forty-three trillion, four hundred twenty billion, one hundred thirty million, three hundred four thousand, four hundred twenty".