343231420 has 48 divisors (see below), whose sum is σ = 825043968. Its totient is φ = 117495360.

The previous prime is 343231417. The next prime is 343231423. The reversal of 343231420 is 24132343.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (343231417) and next prime (343231423).

It is a junction number, because it is equal to n+sod(n) for n = 343231391 and 343231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343231423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112029 + ... + 115051.

It is an arithmetic number, because the mean of its divisors is an integer number (17188416).

Almost surely, 2^343231420 is an apocalyptic number.

It is an amenable number.

343231420 is an abundant number, since it is smaller than the sum of its proper divisors (481812548).

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

343231420 is a wasteful number, since it uses less digits than its factorization.

343231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850 (or 3848 counting only the distinct ones).

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

The square root of 343231420 is about 18526.5058767162. The cubic root of 343231420 is about 700.1573931793.

Adding to 343231420 its reverse (24132343), we get a palindrome (367363763).

The spelling of 343231420 in words is "three hundred forty-three million, two hundred thirty-one thousand, four hundred twenty".