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131323311102222 = 232307187712660961
BaseRepresentation
bin11101110111000000010111…
…010011110001100100001110
3122012222101102100022102121100
4131313000113103301210032
5114203100120120232342
61143145032443243530
736442540033402251
oct3567002723614416
9565871370272540
10131323311102222
11389309a3586558
121288b4072195a6
135837973025a25
142460121699098
15102b049c81e4c
hex7770174f190e

131323311102222 has 48 divisors (see below), whose sum is σ = 285612767071632. Its totient is φ = 43608600322560.

The previous prime is 131323311102163. The next prime is 131323311102229. The reversal of 131323311102222 is 222201113323131.

131323311102222 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 2 + 331 + 1 + 102 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131323311102229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4041822 + ... + 16702782.

It is an arithmetic number, because the mean of its divisors is an integer number (5950265980659).

Almost surely, 2131323311102222 is an apocalyptic number.

131323311102222 is an abundant number, since it is smaller than the sum of its proper divisors (154289455969410).

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

131323311102222 is a wasteful number, since it uses less digits than its factorization.

131323311102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12663153 (or 12663150 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131323311102222 its reverse (222201113323131), we get a palindrome (353524424425353).

The spelling of 131323311102222 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, three hundred eleven million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 307 614 921 1842 1877 2763 3754 5526 5631 11262 16893 33786 576239 1152478 1728717 3457434 5186151 10372302 12660961 25321922 37982883 75965766 113948649 227897298 3886915027 7773830054 11660745081 23321490162 23764623797 34982235243 47529247594 69964470486 71293871391 142587742782 213881614173 427763228346 7295739505679 14591479011358 21887218517037 43774437034074 65661655551111 131323311102222