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131100110001 = 327213913211619
BaseRepresentation
bin111101000011000101…
…1001110110010110001
3110112101120222121211200
41322012023032302301
54121443112010001
6140120534201413
712320532356100
oct1720613166261
9415346877750
10131100110001
115066565a053
12214a91b3269
13c493a935b3
1464b9636037
15362471c086
hex1e862cecb1

131100110001 has 72 divisors (see below), whose sum is σ = 222173733600. Its totient is φ = 74273189760.

The previous prime is 131100109979. The next prime is 131100110039. The reversal of 131100110001 is 100011001131.

It is not a de Polignac number, because 131100110001 - 214 = 131100093617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (131100110041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80975170 + ... + 80976788.

It is an arithmetic number, because the mean of its divisors is an integer number (3085746300).

Almost surely, 2131100110001 is an apocalyptic number.

It is an amenable number.

131100110001 is a deficient number, since it is larger than the sum of its proper divisors (91073623599).

131100110001 is a wasteful number, since it uses less digits than its factorization.

131100110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 131100110001 its reverse (100011001131), we get a palindrome (231111111132).

The spelling of 131100110001 in words is "one hundred thirty-one billion, one hundred million, one hundred ten thousand, one".

Divisors: 1 3 7 9 21 49 63 139 147 417 441 973 1251 1321 1619 2919 3963 4857 6811 8757 9247 11333 11889 14571 20433 27741 33999 61299 64729 79331 83223 101997 183619 194187 225041 237993 550857 582561 675123 713979 1285333 1575287 1652571 2025369 2138699 3855999 4725861 6416097 8997331 11027009 11567997 14177583 14970893 19248291 26991993 33081027 44912679 80975979 99243081 104796251 134738037 297279161 314388753 891837483 943166259 2080954127 2675512449 6242862381 14566678889 18728587143 43700036667 131100110001