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131101305112 = 2323712507093
BaseRepresentation
bin111101000011000111…
…1110010100100011000
3110112101200020100020001
41322012033302210120
54121443413230422
6140121015542344
712320545464301
oct1720617624430
9415350210201
10131101305112
11506662a5a48
12214a968a9b4
13c4940c156b
1464b98677a8
1536248a6227
hex1e863f2918

131101305112 has 16 divisors (see below), whose sum is σ = 256502553840. Its totient is φ = 62700624096.

The previous prime is 131101305079. The next prime is 131101305131. The reversal of 131101305112 is 211503101131.

It is a self number, because there is not a number n which added to its sum of digits gives 131101305112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356253363 + ... + 356253730.

It is an arithmetic number, because the mean of its divisors is an integer number (16031409615).

Almost surely, 2131101305112 is an apocalyptic number.

It is an amenable number.

131101305112 is a deficient number, since it is larger than the sum of its proper divisors (125401248728).

131101305112 is a wasteful number, since it uses less digits than its factorization.

131101305112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712507122 (or 712507118 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 131101305112 its reverse (211503101131), we get a palindrome (342604406243).

The spelling of 131101305112 in words is "one hundred thirty-one billion, one hundred one million, three hundred five thousand, one hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 712507093 1425014186 2850028372 5700056744 16387663139 32775326278 65550652556 131101305112