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131112013023 = 3216139031619
BaseRepresentation
bin111101000011011100…
…0101000110011011111
3110112102102101100201100
41322012320220303133
54122004133404043
6140122041244143
712321035502555
oct1720670506337
9415372340640
10131112013023
1150671349a62
12214b1193653
13c4963a03c4
1464bb053bd5
1536257bdcd3
hex1e86e28cdf

131112013023 has 12 divisors (see below), whose sum is σ = 189501450840. Its totient is φ = 87353809296.

The previous prime is 131112012971. The next prime is 131112013033. The reversal of 131112013023 is 320310211131.

It is not a de Polignac number, because 131112013023 - 29 = 131112012511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131112012987 and 131112013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112013033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4501293 + ... + 4530326.

It is an arithmetic number, because the mean of its divisors is an integer number (15791787570).

Almost surely, 2131112013023 is an apocalyptic number.

131112013023 is a deficient number, since it is larger than the sum of its proper divisors (58389437817).

131112013023 is a wasteful number, since it uses less digits than its factorization.

131112013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033238 (or 9033235 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131112013023 its reverse (320310211131), we get a palindrome (451422224154).

The spelling of 131112013023 in words is "one hundred thirty-one billion, one hundred twelve million, thirteen thousand, twenty-three".

Divisors: 1 3 9 1613 4839 14517 9031619 27094857 81284571 14568001447 43704004341 131112013023