321054530104 has 96 divisors (see below), whose sum is σ = 756490976640. Its totient is φ = 125038520640.

The previous prime is 321054530101. The next prime is 321054530221. The reversal of 321054530104 is 401035450123.

It is a super-2 number, since 2×321054530104² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321054530101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21587679 + ... + 21602545.

It is an arithmetic number, because the mean of its divisors is an integer number (7880114340).

Almost surely, 2^321054530104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321054530104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378245488320).

321054530104 is an abundant number, since it is smaller than the sum of its proper divisors (435436446536).

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

321054530104 is a wasteful number, since it uses less digits than its factorization.

321054530104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18089 (or 18074 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 321054530104 its reverse (401035450123), we get a palindrome (722089980227).

It can be divided in two parts, 321054 and 530104, that added together give a palindrome (851158).

The spelling of 321054530104 in words is "three hundred twenty-one billion, fifty-four million, five hundred thirty thousand, one hundred four".