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131323311310012 = 22475389719205963
BaseRepresentation
bin11101110111000000010111…
…010100100100010010111100
3122012222101102100200222122021
4131313000113110210102330
5114203100120143410022
61143145032451525524
736442540035226123
oct3567002724442274
9565871370628567
10131323311310012
11389309a3708688
121288b4072b98a4
135837973099493
142460121710aba
15102b049cc37c7
hex7770175244bc

131323311310012 has 96 divisors (see below), whose sum is σ = 242158300876800. Its totient is φ = 62256598390272.

The previous prime is 131323311309973. The next prime is 131323311310091. The reversal of 131323311310012 is 210013113323131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637503343 + ... + 637709305.

It is an arithmetic number, because the mean of its divisors is an integer number (2522482300800).

Almost surely, 2131323311310012 is an apocalyptic number.

It is an amenable number.

131323311310012 is a deficient number, since it is larger than the sum of its proper divisors (110834989566788).

131323311310012 is a wasteful number, since it uses less digits than its factorization.

131323311310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206875 (or 206873 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 131323311310012 its reverse (210013113323131), we get a palindrome (341336424633143).

The spelling of 131323311310012 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, three hundred eleven million, three hundred ten thousand, twelve".

Divisors: 1 2 4 47 53 89 94 106 178 188 212 356 719 1438 2491 2876 4183 4717 4982 8366 9434 9964 16732 18868 33793 38107 63991 67586 76214 127982 135172 152428 205963 221699 255964 411926 443398 823852 886796 1791029 3007577 3391523 3582058 6015154 6783046 7164116 9680261 10916039 12030308 13566092 18330707 19360522 21832078 36661414 38721044 43664156 73322828 148087397 159401581 296174794 318803162 513053833 592349588 637606324 861543229 971527471 1026107666 1723086458 1943054942 2052215332 3446172916 3886109884 6960107659 7848632041 13179778333 13920215318 15697264082 26359556666 27840430636 31394528164 45661791137 52719113332 91323582274 182647164548 368885705927 619449581651 698528251649 737771411854 1238899163302 1397056503298 1475542823708 2477798326604 2794113006596 32830827827503 65661655655006 131323311310012