321430104 has 48 divisors (see below), whose sum is σ = 871504920. Its totient is φ = 107024640.

The previous prime is 321430099. The next prime is 321430141. The reversal of 321430104 is 401034123.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83584 + ... + 87344.

Almost surely, 2^321430104 is an apocalyptic number.

It is an amenable number.

321430104 is an abundant number, since it is smaller than the sum of its proper divisors (550074816).

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

321430104 is a wasteful number, since it uses less digits than its factorization.

321430104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 321430104 is about 17928.4718813400. The cubic root of 321430104 is about 685.0077992967.

Adding to 321430104 its reverse (401034123), we get a palindrome (722464227).

The spelling of 321430104 in words is "three hundred twenty-one million, four hundred thirty thousand, one hundred four".