343321132 has 96 divisors (see below), whose sum is σ = 772079616. Its totient is φ = 129729600.

The previous prime is 343321081. The next prime is 343321157. The reversal of 343321132 is 231123343.

It is a super-2 number, since 2×343321132² = 235738799355522848, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2620707 + ... + 2620837.

It is an arithmetic number, because the mean of its divisors is an integer number (8042496).

Almost surely, 2^343321132 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 343321132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386039808).

343321132 is an abundant number, since it is smaller than the sum of its proper divisors (428758484).

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

343321132 is a wasteful number, since it uses less digits than its factorization.

343321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 343321132 is about 18528.9268982313. The cubic root of 343321132 is about 700.2183890018.

Adding to 343321132 its reverse (231123343), we get a palindrome (574444475).

The spelling of 343321132 in words is "three hundred forty-three million, three hundred twenty-one thousand, one hundred thirty-two".