343512530520340 has 12 divisors (see below), whose sum is σ = 721376314092756. Its totient is φ = 137405012208128.

The previous prime is 343512530520331. The next prime is 343512530520353. The reversal of 343512530520340 is 43025035215343.

It can be written as a sum of positive squares in 2 ways, for example, as 79984904391184 + 263527626129156 = 8943428^2 + 16233534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343512530520293 and 343512530520302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8587813262989 + ... + 8587813263028.

It is an arithmetic number, because the mean of its divisors is an integer number (60114692841063).

Almost surely, 2^{343512530520340} is an apocalyptic number.

It is an amenable number.

343512530520340 is an abundant number, since it is smaller than the sum of its proper divisors (377863783572416).

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

343512530520340 is a wasteful number, since it uses less digits than its factorization.

343512530520340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17175626526026 (or 17175626526024 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 343512530520340 its reverse (43025035215343), we get a palindrome (386537565735683).

The spelling of 343512530520340 in words is "three hundred forty-three trillion, five hundred twelve billion, five hundred thirty million, five hundred twenty thousand, three hundred forty".