321144036 has 24 divisors (see below), whose sum is σ = 752129280. Its totient is φ = 106648992.

The previous prime is 321144017. The next prime is 321144041. The reversal of 321144036 is 630441123.

It is a junction number, because it is equal to n+sod(n) for n = 321143997 and 321144015.

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 7 ways as a sum of consecutive naturals, for example, 46516 + ... + 52971.

It is an arithmetic number, because the mean of its divisors is an integer number (31338720).

Almost surely, 2^321144036 is an apocalyptic number.

It is an amenable number.

321144036 is an abundant number, since it is smaller than the sum of its proper divisors (430985244).

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

321144036 is a wasteful number, since it uses less digits than its factorization.

321144036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99763 (or 99761 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 321144036 is about 17920.4920691369. The cubic root of 321144036 is about 684.8045234047.

Adding to 321144036 its reverse (630441123), we get a palindrome (951585159).

The spelling of 321144036 in words is "three hundred twenty-one million, one hundred forty-four thousand, thirty-six".