343103420 has 48 divisors (see below), whose sum is σ = 820205568. Its totient is φ = 119338560.

The previous prime is 343103413. The next prime is 343103429. The reversal of 343103420 is 24301343.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 343103392 and 343103401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343103429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28844 + ... + 38963.

It is an arithmetic number, because the mean of its divisors is an integer number (17087616).

Almost surely, 2^343103420 is an apocalyptic number.

It is an amenable number.

343103420 is an abundant number, since it is smaller than the sum of its proper divisors (477102148).

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

343103420 is a wasteful number, since it uses less digits than its factorization.

343103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67850 (or 67848 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 343103420 is about 18523.0510445769. The cubic root of 343103420 is about 700.0703466718.

343103420 divided by its sum of digits (20) gives a palindrome (17155171).

Adding to 343103420 its reverse (24301343), we get a palindrome (367404763).

The spelling of 343103420 in words is "three hundred forty-three million, one hundred three thousand, four hundred twenty".