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131303112123222 = 23313187041470261
BaseRepresentation
bin11101110110101101100011…
…010110110010001101010110
3122012220110021122100222111000
4131312231203112302031112
5114202232233200420342
61143131452245124130
736441223344042534
oct3566554326621526
9565813248328430
10131303112123222
1138923378801686
121288750a6b9646
135835aa4360750
14245d166bb9154
15102a76680e44c
hex776b635b2356

131303112123222 has 32 divisors (see below), whose sum is σ = 314229670040160. Its totient is φ = 40400957576160.

The previous prime is 131303112123221. The next prime is 131303112123251. The reversal of 131303112123222 is 222321211303131.

131303112123222 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 0 + 311 + 2 + 123 + 222 = 666.

It is a super-2 number, since 2×1313031121232222 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303112123221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93520734429 + ... + 93520735832.

It is an arithmetic number, because the mean of its divisors is an integer number (9819677188755).

Almost surely, 2131303112123222 is an apocalyptic number.

131303112123222 is an abundant number, since it is smaller than the sum of its proper divisors (182926557916938).

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

131303112123222 is a wasteful number, since it uses less digits than its factorization.

131303112123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187041470285 (or 187041470279 counting only the distinct ones).

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

Adding to 131303112123222 its reverse (222321211303131), we get a palindrome (353624323426353).

The spelling of 131303112123222 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twelve million, one hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 187041470261 374082940522 561124410783 1122248821566 1683373232349 2431539113393 3366746464698 4863078226786 5050119697047 7294617340179 10100239394094 14589234680358 21883852020537 43767704041074 65651556061611 131303112123222