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131010123220100 = 225231714783124447
BaseRepresentation
bin11101110010011100101011…
…110110110100010010000100
3122011212110000202001120120122
4131302130223312310102010
5114132432213021020400
61142345115244121112
736411111661334645
oct3562345366642204
9564773022046518
10131010123220100
1138820099149223
121283a781236198
135814280c21997
14244ccd0c816cc
151022d1990c685
hex77272bdb4484

131010123220100 has 144 divisors (see below), whose sum is σ = 297660564504576. Its totient is φ = 49988464848000.

The previous prime is 131010123220079. The next prime is 131010123220159. The reversal of 131010123220100 is 1022321010131.

131010123220100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1310101232201002 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1052676077 + ... + 1052800523.

It is an arithmetic number, because the mean of its divisors is an integer number (2067087253504).

Almost surely, 2131010123220100 is an apocalyptic number.

131010123220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131010123220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148830282252288).

131010123220100 is an abundant number, since it is smaller than the sum of its proper divisors (166650441284476).

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

131010123220100 is a wasteful number, since it uses less digits than its factorization.

131010123220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129346 (or 129339 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131010123220100 its reverse (1022321010131), we get a palindrome (132032444230231).

The spelling of 131010123220100 in words is "one hundred thirty-one trillion, ten billion, one hundred twenty-three million, two hundred twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 71 100 124 142 155 284 310 355 620 710 775 1420 1550 1775 2201 3100 3550 4402 4783 7100 8804 9566 11005 19132 22010 23915 44020 47830 55025 95660 110050 119575 124447 148273 220100 239150 248894 296546 339593 478300 497788 593092 622235 679186 741365 1244470 1358372 1482730 1697965 2488940 2965460 3111175 3395930 3706825 3857857 6222350 6791860 7413650 7715714 8489825 8835737 10527383 12444700 14827300 15431428 16979650 17671474 19289285 21054766 33959300 35342948 38578570 42109532 44178685 52636915 77157140 88357370 96446425 105273830 176714740 192892850 210547660 220893425 263184575 273907847 385785700 441786850 526369150 547815694 595230001 883573700 1052738300 1095631388 1190460002 1369539235 2380920004 2739078470 2976150005 5478156940 5952300010 6847696175 11904600020 13695392350 14880750025 18452130031 27390784700 29761500050 36904260062 42261330071 59523000100 73808520124 84522660142 92260650155 169045320284 184521300310 211306650355 369042600620 422613300710 461303250775 845226601420 922606501550 1056533251775 1310101232201 1845213003100 2113066503550 2620202464402 4226133007100 5240404928804 6550506161005 13101012322010 26202024644020 32752530805025 65505061610050 131010123220100