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131011001304 = 2338636325367
BaseRepresentation
bin111101000000011011…
…1010011101111011000
3110112011101022102200120
41322000313103233120
54121302304020204
6140104032233240
712315401065011
oct1720067235730
9415141272616
10131011001304
115061a3273a7
122148339b820
13c47b494261
1464ab87c008
15361b9b96d9
hex1e80dd3bd8

131011001304 has 32 divisors (see below), whose sum is σ = 327907077120. Its totient is φ = 43619723936.

The previous prime is 131011001291. The next prime is 131011001309. The reversal of 131011001304 is 403100110131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011001309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141972 + ... + 3183395.

It is an arithmetic number, because the mean of its divisors is an integer number (10247096160).

Almost surely, 2131011001304 is an apocalyptic number.

It is an amenable number.

131011001304 is an abundant number, since it is smaller than the sum of its proper divisors (196896075816).

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

131011001304 is a wasteful number, since it uses less digits than its factorization.

131011001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326239 (or 6326235 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131011001304 its reverse (403100110131), we get a palindrome (534111111435).

The spelling of 131011001304 in words is "one hundred thirty-one billion, eleven million, one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 863 1726 2589 3452 5178 6904 10356 20712 6325367 12650734 18976101 25301468 37952202 50602936 75904404 151808808 5458791721 10917583442 16376375163 21835166884 32752750326 43670333768 65505500652 131011001304