343134220 has 108 divisors (see below), whose sum is σ = 858679920. Its totient is φ = 115040640.

The previous prime is 343134203. The next prime is 343134221. The reversal of 343134220 is 22431343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 343134191 and 343134200.

It is not an unprimeable number, because it can be changed into a prime (343134221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 408561 + ... + 409399.

It is an arithmetic number, because the mean of its divisors is an integer number (7950740).

Almost surely, 2^343134220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343134220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429339960).

343134220 is an abundant number, since it is smaller than the sum of its proper divisors (515545700).

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

343134220 is a wasteful number, since it uses less digits than its factorization.

343134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 343134220 is about 18523.8824224297. The cubic root of 343134220 is about 700.0912942153.

Adding to 343134220 its reverse (22431343), we get a palindrome (365565563).

The spelling of 343134220 in words is "three hundred forty-three million, one hundred thirty-four thousand, two hundred twenty".