321343430 has 8 divisors (see below), whose sum is σ = 578418192. Its totient is φ = 128537368.

The previous prime is 321343391. The next prime is 321343433. The reversal of 321343430 is 34343123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 321343396 and 321343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321343433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16067162 + ... + 16067181.

It is an arithmetic number, because the mean of its divisors is an integer number (72302274).

Almost surely, 2^321343430 is an apocalyptic number.

321343430 is a deficient number, since it is larger than the sum of its proper divisors (257074762).

321343430 is a wasteful number, since it uses less digits than its factorization.

321343430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32134350.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 321343430 is about 17926.0545017580. The cubic root of 321343430 is about 684.9462227127.

Adding to 321343430 its reverse (34343123), we get a palindrome (355686553).

The spelling of 321343430 in words is "three hundred twenty-one million, three hundred forty-three thousand, four hundred thirty".