343103040 has 560 divisors, whose sum is σ = 1463430144. Its totient is φ = 74649600.

The previous prime is 343103039. The next prime is 343103053. The reversal of 343103040 is 40301343.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5624610 + ... + 5624670.

Almost surely, 2^343103040 is an apocalyptic number.

343103040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731715072).

343103040 is an abundant number, since it is smaller than the sum of its proper divisors (1120327104).

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

343103040 is a wasteful number, since it uses less digits than its factorization.

343103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 343103040 is about 18523.0407870846. The cubic root of 343103040 is about 700.0700882202.

Adding to 343103040 its reverse (40301343), we get a palindrome (383404383).

The spelling of 343103040 in words is "three hundred forty-three million, one hundred three thousand, forty".