321242104 has 32 divisors (see below), whose sum is σ = 638843040. Its totient is φ = 151113600.

The previous prime is 321242059. The next prime is 321242111. The reversal of 321242104 is 401242123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087 + ... + 25534.

It is an arithmetic number, because the mean of its divisors is an integer number (19963845).

Almost surely, 2^321242104 is an apocalyptic number.

It is an amenable number.

321242104 is a deficient number, since it is larger than the sum of its proper divisors (317600936).

321242104 is a wasteful number, since it uses less digits than its factorization.

321242104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28711 (or 28707 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 321242104 is about 17923.2280574678. The cubic root of 321242104 is about 684.8742227375.

Adding to 321242104 its sum of digits (19), we get a palindrome (321242123).

Adding to 321242104 its reverse (401242123), we get a palindrome (722484227).

The spelling of 321242104 in words is "three hundred twenty-one million, two hundred forty-two thousand, one hundred four".