343304111320420 has 24 divisors (see below), whose sum is σ = 721280149083648. Its totient is φ = 137256593992800.

The previous prime is 343304111320399. The next prime is 343304111320421. The reversal of 343304111320420 is 24023111403343.

It is not an unprimeable number, because it can be changed into a prime (343304111320421) 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, 4065615186 + ... + 4065699625.

It is an arithmetic number, because the mean of its divisors is an integer number (30053339545152).

Almost surely, 2^{343304111320420} is an apocalyptic number.

It is an amenable number.

343304111320420 is an abundant number, since it is smaller than the sum of its proper divisors (377976037763228).

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

343304111320420 is a wasteful number, since it uses less digits than its factorization.

343304111320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131316931 (or 8131316929 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 343304111320420 its reverse (24023111403343), we get a palindrome (367327222723763).

The spelling of 343304111320420 in words is "three hundred forty-three trillion, three hundred four billion, one hundred eleven million, three hundred twenty thousand, four hundred twenty".