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131102223122 = 21336765920849
BaseRepresentation
bin111101000011001001…
…1010010101100010010
3110112101201221222111102
41322012103102230102
54121444132114442
6140121051344402
712320556336563
oct1720623225422
9415351858442
10131102223122
1150666872732
12214a9a52102
13c494353370
1464b9a2616a
1536249d8232
hex1e864d2b12

131102223122 has 32 divisors (see below), whose sum is σ = 212690016000. Its totient is φ = 60249385728.

The previous prime is 131102223089. The next prime is 131102223181. The reversal of 131102223122 is 221322201131.

It is a junction number, because it is equal to n+sod(n) for n = 131102223094 and 131102223103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6277754 + ... + 6298602.

It is an arithmetic number, because the mean of its divisors is an integer number (6646563000).

Almost surely, 2131102223122 is an apocalyptic number.

131102223122 is a deficient number, since it is larger than the sum of its proper divisors (81587792878).

131102223122 is a wasteful number, since it uses less digits than its factorization.

131102223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21890.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131102223122 its reverse (221322201131), we get a palindrome (352424424253).

The spelling of 131102223122 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-three thousand, one hundred twenty-two".

Divisors: 1 2 13 26 367 659 734 1318 4771 8567 9542 17134 20849 41698 241853 271037 483706 542074 3144089 6288178 7651583 13739491 15303166 27478982 99470579 178613383 198941158 357226766 5042393197 10084786394 65551111561 131102223122