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131102011100 = 225212710322993
BaseRepresentation
bin111101000011001001…
…0011110111011011100
3110112101201120012122202
41322012102132323130
54121444103323400
6140121043031032
712320554464464
oct1720622367334
9415351505582
10131102011100
1150666738405
12214a996b478
13c4942aa9c8
1464b99acba4
1536249954d5
hex1e8649eedc

131102011100 has 36 divisors (see below), whose sum is σ = 286731481344. Its totient is φ = 52027879680.

The previous prime is 131102011067. The next prime is 131102011127. The reversal of 131102011100 is 1110201131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5148797 + ... + 5174196.

Almost surely, 2131102011100 is an apocalyptic number.

131102011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131102011100 is an abundant number, since it is smaller than the sum of its proper divisors (155629470244).

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

131102011100 is a wasteful number, since it uses less digits than its factorization.

131102011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323134 (or 10323127 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 131102011100 its reverse (1110201131), we get a palindrome (132212212231).

The spelling of 131102011100 in words is "one hundred thirty-one billion, one hundred two million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 127 254 508 635 1270 2540 3175 6350 12700 10322993 20645986 41291972 51614965 103229930 206459860 258074825 516149650 1032299300 1311020111 2622040222 5244080444 6555100555 13110201110 26220402220 32775502775 65551005550 131102011100