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321431103214300 = 22523726173805391
BaseRepresentation
bin100100100010101110000001…
…0101110100001001011011100
31120011002111212020120212212201
41021011130002232201023130
5314112311344410324200
63055343224342541244
7124463426245232062
oct11105340256411334
91504074766525781
10321431103214300
1193466190089032
1230073602137824
1310a47a910c2521
1459534c4042032
15272626224bc6a
hex1245702ba12dc

321431103214300 has 108 divisors (see below), whose sum is σ = 718028540669664. Its totient is φ = 124894726387200.

The previous prime is 321431103214271. The next prime is 321431103214369. The reversal of 321431103214300 is 3412301134123.

It is a super-2 number, since 2×3214311032143002 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82564605 + ... + 86369995.

It is an arithmetic number, because the mean of its divisors is an integer number (6648412413608).

Almost surely, 2321431103214300 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 321431103214300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359014270334832).

321431103214300 is an abundant number, since it is smaller than the sum of its proper divisors (396597437455364).

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

321431103214300 is a wasteful number, since it uses less digits than its factorization.

321431103214300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806096 (or 3806052 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 321431103214300 its reverse (3412301134123), we get a palindrome (324843404348423).

The spelling of 321431103214300 in words is "three hundred twenty-one trillion, four hundred thirty-one billion, one hundred three million, two hundred fourteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 148 185 370 617 740 925 1234 1369 1850 2468 2738 3085 3700 5476 6170 6845 12340 13690 15425 22829 27380 30850 34225 45658 61700 68450 91316 114145 136900 228290 456580 570725 844673 1141450 1689346 2282900 3378692 3805391 4223365 7610782 8446730 15221564 16893460 19026955 21116825 38053910 42233650 76107820 84467300 95134775 140799467 190269550 281598934 380539100 563197868 703997335 1407994670 2347926247 2815989340 3519986675 4695852494 5209580279 7039973350 9391704988 10419160558 11739631235 14079946700 20838321116 23479262470 26047901395 46958524940 52095802790 58698156175 86873271139 104191605580 117396312350 130239506975 173746542278 234792624700 260479013950 347493084556 434366355695 520958027900 868732711390 1737465422780 2171831778475 3214311032143 4343663556950 6428622064286 8687327113900 12857244128572 16071555160715 32143110321430 64286220642860 80357775803575 160715551607150 321431103214300