321113404 has 48 divisors (see below), whose sum is σ = 596090880. Its totient is φ = 151139520.

The previous prime is 321113381. The next prime is 321113411. The reversal of 321113404 is 404311123.

It is a super-3 number, since 3×321113404³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045819 + ... + 1046125.

It is an arithmetic number, because the mean of its divisors is an integer number (12418560).

Almost surely, 2^321113404 is an apocalyptic number.

It is an amenable number.

321113404 is a deficient number, since it is larger than the sum of its proper divisors (274977476).

321113404 is a wasteful number, since it uses less digits than its factorization.

321113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 321113404 is about 17919.6373847241. The cubic root of 321113404 is about 684.7827495827.

Adding to 321113404 its reverse (404311123), we get a palindrome (725424527).

The spelling of 321113404 in words is "three hundred twenty-one million, one hundred thirteen thousand, four hundred four".