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131317318323 = 3214590813147
BaseRepresentation
bin111101001001100011…
…1110100001010110011
3110112221201200221122100
41322103013310022303
54122414213141243
6140154253511443
712326110534362
oct1722307641263
9415851627570
10131317318323
1150767225964
1221549aa2583
13c4c9a94429
1464da4177d9
1536388250d3
hex1e931f42b3

131317318323 has 6 divisors (see below), whose sum is σ = 189680570924. Its totient is φ = 87544878876.

The previous prime is 131317318271. The next prime is 131317318361. The reversal of 131317318323 is 323813713131.

131317318323 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 17 + 318 + 323 = 666.

It is not a de Polignac number, because 131317318323 - 214 = 131317301939 is a prime.

It is a super-2 number, since 2×1313173183232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131317318393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7295406565 + ... + 7295406582.

Almost surely, 2131317318323 is an apocalyptic number.

131317318323 is a deficient number, since it is larger than the sum of its proper divisors (58363252601).

131317318323 is a wasteful number, since it uses less digits than its factorization.

131317318323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590813153 (or 14590813150 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The spelling of 131317318323 in words is "one hundred thirty-one billion, three hundred seventeen million, three hundred eighteen thousand, three hundred twenty-three".

Divisors: 1 3 9 14590813147 43772439441 131317318323