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131313112302222 = 2334356551727951
BaseRepresentation
bin11101110110110110110111…
…011010011100001010001110
3122012221102002120110201011000
4131312312313122130022032
5114202413223222132342
61143140224435441130
736442026223131414
oct3566666732341216
9565842076421130
10131313112302222
113892763a629124
121288943b7561a6
135836a090b1526
14245d834d872b4
15102ab4e70544c
hex776db769c28e

131313112302222 has 32 divisors (see below), whose sum is σ = 298593123586560. Its totient is φ = 42753106330200.

The previous prime is 131313112302217. The next prime is 131313112302223. The reversal of 131313112302222 is 222203211313131.

131313112302222 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 131 + 1 + 2 + 302 + 222 = 666.

It is a super-2 number, since 2×1313131123022222 (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 (131313112302223) 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, 28275861654 + ... + 28275866297.

It is an arithmetic number, because the mean of its divisors is an integer number (9331035112080).

Almost surely, 2131313112302222 is an apocalyptic number.

131313112302222 is an abundant number, since it is smaller than the sum of its proper divisors (167280011284338).

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

131313112302222 is a wasteful number, since it uses less digits than its factorization.

131313112302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56551728005 (or 56551727999 counting only the distinct ones).

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

Adding to 131313112302222 its reverse (222203211313131), we get a palindrome (353516323615353).

The spelling of 131313112302222 in words is "one hundred thirty-one trillion, three hundred thirteen billion, one hundred twelve million, three hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 387 774 1161 2322 56551727951 113103455902 169655183853 339310367706 508965551559 1017931103118 1526896654677 2431724301893 3053793309354 4863448603786 7295172905679 14590345811358 21885518717037 43771037434074 65656556151111 131313112302222