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321010331030130 = 235771359283321169
BaseRepresentation
bin100100011111101010000101…
…0110000000001001001110010
31120002121021202220111020002110
41020333110022300001021302
5314033413124220431010
63054422035450430150
7124421142153541260
oct11077241260011162
91502537686436073
10321010331030130
1193313798165285
1230005b52432356
1310a171b5115461
14593ada91cd430
15271a336e07120
hex123f50ac01272

321010331030130 has 256 divisors, whose sum is σ = 895732195737600. Its totient is φ = 72109980794880.

The previous prime is 321010331030099. The next prime is 321010331030243. The reversal of 321010331030130 is 31030133010123.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 321010331030097 and 321010331030106.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15164160186 + ... + 15164181354.

It is an arithmetic number, because the mean of its divisors is an integer number (3498953889600).

Almost surely, 2321010331030130 is an apocalyptic number.

321010331030130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 321010331030130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447866097868800).

321010331030130 is an abundant number, since it is smaller than the sum of its proper divisors (574721864707470).

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

321010331030130 is a wasteful number, since it uses less digits than its factorization.

321010331030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24449.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 321010331030130 its reverse (31030133010123), we get a palindrome (352040464040253).

The spelling of 321010331030130 in words is "three hundred twenty-one trillion, ten billion, three hundred thirty-one million, thirty thousand, one hundred thirty".