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100213344231 = 371113372833187
BaseRepresentation
bin101110101010100101…
…1100100011111100111
3100120200001002100111220
41131111023210133213
53120214104003411
6114012023431423
710145244241230
oct1352513443747
9316601070456
10100213344231
1139555902850
12175092b5573
1395b0a89830
144bc9518087
152917d2cb06
hex17552e47e7

100213344231 has 128 divisors (see below), whose sum is σ = 184960720896. Its totient is φ = 46575751680.

The previous prime is 100213344199. The next prime is 100213344289. The reversal of 100213344231 is 132443312001.

It is a happy number.

It is not a de Polignac number, because 100213344231 - 25 = 100213344199 is a prime.

It is a super-2 number, since 2×1002133442312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100213344131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31442820 + ... + 31446006.

It is an arithmetic number, because the mean of its divisors is an integer number (1445005632).

Almost surely, 2100213344231 is an apocalyptic number.

100213344231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100213344231 is a deficient number, since it is larger than the sum of its proper divisors (84747376665).

100213344231 is a wasteful number, since it uses less digits than its factorization.

100213344231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541.

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

Adding to 100213344231 its reverse (132443312001), we get a palindrome (232656656232).

It can be divided in two parts, 100213 and 344231, that added together give a palindrome (444444).

The spelling of 100213344231 in words is "one hundred billion, two hundred thirteen million, three hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 3 7 11 13 21 33 37 39 77 91 111 143 231 259 273 283 407 429 481 777 849 1001 1221 1443 1981 2849 3003 3113 3187 3367 3679 5291 5943 8547 9339 9561 10101 10471 11037 15873 21791 22309 25753 31413 35057 37037 40469 41431 65373 66927 73297 77259 105171 111111 115181 117919 121407 124293 136123 219891 245399 283283 290017 345543 353757 408369 455741 736197 806267 825433 849849 870051 901921 952861 1297109 1367223 1497353 1532947 2418801 2476299 2705763 2858583 3190187 3891327 4492059 4598841 6313447 9079763 9570561 9921131 10481471 10730629 11724973 16862417 18940341 27239289 29763393 31444413 32191887 33371077 35174919 50587251 69447917 82074811 100113231 118036919 128974703 208343751 233597539 246224433 354110757 367081847 386924109 433824001 700792617 902822921 1101245541 1301472003 2569572929 2708468763 3036768007 4772064011 7708718787 9110304021 14316192033 33404448077 100213344231