343111200 has 72 divisors (see below), whose sum is σ = 1116834768. Its totient is φ = 91495680.

The previous prime is 343111199. The next prime is 343111207. The reversal of 343111200 is 2111343.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 343111200.

It is not an unprimeable number, because it can be changed into a prime (343111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69082 + ... + 73881.

It is an arithmetic number, because the mean of its divisors is an integer number (15511594).

Almost surely, 2^343111200 is an apocalyptic number.

343111200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343111200 is an abundant number, since it is smaller than the sum of its proper divisors (773723568).

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

343111200 is a wasteful number, since it uses less digits than its factorization.

343111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142986 (or 142973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 343111200 is about 18523.2610519854. The cubic root of 343111200 is about 700.0756380852.

Adding to 343111200 its reverse (2111343), we get a palindrome (345222543).

It can be divided in two parts, 34311 and 1200, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 343111200 in words is "three hundred forty-three million, one hundred eleven thousand, two hundred".