343520432315320 has 64 divisors (see below), whose sum is σ = 832717993050720. Its totient is φ = 126786266095104.

The previous prime is 343520432315293. The next prime is 343520432315327. The reversal of 343520432315320 is 23513234025343.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343520432315327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134271582 + ... + 136806061.

Almost surely, 2^{343520432315320} is an apocalyptic number.

It is an amenable number.

343520432315320 is an abundant number, since it is smaller than the sum of its proper divisors (489197560735400).

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

343520432315320 is a wasteful number, since it uses less digits than its factorization.

343520432315320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271080104 (or 271080100 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 40.

The spelling of 343520432315320 in words is "three hundred forty-three trillion, five hundred twenty billion, four hundred thirty-two million, three hundred fifteen thousand, three hundred twenty".