321013104 has 20 divisors (see below), whose sum is σ = 829283976. Its totient is φ = 107004352.

The previous prime is 321013097. The next prime is 321013109. The reversal of 321013104 is 401310123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321013109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3343839 + ... + 3343934.

Almost surely, 2^321013104 is an apocalyptic number.

It is an amenable number.

321013104 is an abundant number, since it is smaller than the sum of its proper divisors (508270872).

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

321013104 is a wasteful number, since it uses less digits than its factorization.

321013104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687784 (or 6687778 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 321013104 is about 17916.8385604157. The cubic root of 321013104 is about 684.7114446987.

Adding to 321013104 its reverse (401310123), we get a palindrome (722323227).

The spelling of 321013104 in words is "three hundred twenty-one million, thirteen thousand, one hundred four".