343555504311 has 4 divisors (see below), whose sum is σ = 458074005752. Its totient is φ = 229037002872.

The previous prime is 343555504289. The next prime is 343555504361. The reversal of 343555504311 is 113405555343.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 343555504311 - 2¹¹ = 343555502263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343555504311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343555504361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57259250716 + ... + 57259250721.

It is an arithmetic number, because the mean of its divisors is an integer number (114518501438).

Almost surely, 2^343555504311 is an apocalyptic number.

343555504311 is a deficient number, since it is larger than the sum of its proper divisors (114518501441).

343555504311 is a wasteful number, since it uses less digits than its factorization.

343555504311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114518501440.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 343555504311 in words is "three hundred forty-three billion, five hundred fifty-five million, five hundred four thousand, three hundred eleven".