343321140 has 48 divisors (see below), whose sum is σ = 994452480. Its totient is φ = 88394880.

The previous prime is 343321081. The next prime is 343321157. The reversal of 343321140 is 41123343.

343321140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96916 + ... + 100395.

It is an arithmetic number, because the mean of its divisors is an integer number (20717760).

Almost surely, 2^343321140 is an apocalyptic number.

343321140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343321140 is an abundant number, since it is smaller than the sum of its proper divisors (651131340).

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

343321140 is a wasteful number, since it uses less digits than its factorization.

343321140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197352 (or 197350 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 343321140 is about 18528.9271141100. The cubic root of 343321140 is about 700.2183944406.

Adding to 343321140 its reverse (41123343), we get a palindrome (384444483).

The spelling of 343321140 in words is "three hundred forty-three million, three hundred twenty-one thousand, one hundred forty".