321041055 has 16 divisors (see below), whose sum is σ = 520902144. Its totient is φ = 168809760.

The previous prime is 321041047. The next prime is 321041057. The reversal of 321041055 is 550140123.

It is not a de Polignac number, because 321041055 - 2³ = 321041047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321041057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149659 + ... + 151788.

It is an arithmetic number, because the mean of its divisors is an integer number (32556384).

Almost surely, 2^321041055 is an apocalyptic number.

321041055 is a deficient number, since it is larger than the sum of its proper divisors (199861089).

321041055 is a wasteful number, since it uses less digits than its factorization.

321041055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301526.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 321041055 is about 17917.6185638605. The cubic root of 321041055 is about 684.7313170070.

Adding to 321041055 its reverse (550140123), we get a palindrome (871181178).

The spelling of 321041055 in words is "three hundred twenty-one million, forty-one thousand, fifty-five".