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131113311043 = 11213239737361
BaseRepresentation
bin111101000011011110…
…1100101101101000011
3110112102111211022021011
41322012331211231003
54122010001423133
6140122125141351
712321052520101
oct1720675455503
9415374738234
10131113311043
1150672056200
12214b16ba857
13c496736170
1464bb2b0c71
1536259786cd
hex1e86f65b43

131113311043 has 48 divisors (see below), whose sum is σ = 163624039488. Its totient is φ = 104153702400.

The previous prime is 131113311041. The next prime is 131113311059. The reversal of 131113311043 is 340113311131.

It is not a de Polignac number, because 131113311043 - 21 = 131113311041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131113311041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3490683 + ... + 3528043.

It is an arithmetic number, because the mean of its divisors is an integer number (3408834156).

Almost surely, 2131113311043 is an apocalyptic number.

131113311043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131113311043 is a deficient number, since it is larger than the sum of its proper divisors (32510728445).

131113311043 is a wasteful number, since it uses less digits than its factorization.

131113311043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37516 (or 37505 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131113311043 its reverse (340113311131), we get a palindrome (471226622174).

The spelling of 131113311043 in words is "one hundred thirty-one billion, one hundred thirteen million, three hundred eleven thousand, forty-three".

Divisors: 1 11 13 23 97 121 143 253 299 1067 1261 1573 2231 2783 3289 11737 13871 24541 29003 36179 37361 152581 269951 319033 410971 485693 859303 3509363 3624017 4520681 5342623 9452333 11170939 39864187 47112221 58768853 83352391 103975663 122880329 438506057 518234431 916876301 1083581083 1351683619 5700578741 10085639311 11919391913 131113311043