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131112210001 = 859953916001
BaseRepresentation
bin111101000011011100…
…1011000111001010001
3110112102102202100220211
41322012321120321101
54122004211210001
6140122045404121
712321040253053
oct1720671307121
9415372670824
10131112210001
1150671473a53
12214b1269641
13c49643bc66
1464bb0a58d3
15362580c351
hex1e86e58e51

131112210001 has 8 divisors (see below), whose sum is σ = 131286808800. Its totient is φ = 130937664000.

The previous prime is 131112209971. The next prime is 131112210017. The reversal of 131112210001 is 100012211131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131112210001 - 27 = 131112209873 is a prime.

It is a super-2 number, since 2×1311122100012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131112210071) 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 7 ways as a sum of consecutive naturals, for example, 8186001 + ... + 8202001.

It is an arithmetic number, because the mean of its divisors is an integer number (16410851100).

Almost surely, 2131112210001 is an apocalyptic number.

It is an amenable number.

131112210001 is a deficient number, since it is larger than the sum of its proper divisors (174598799).

131112210001 is an equidigital number, since it uses as much as digits as its factorization.

131112210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26399.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 131112210001 its reverse (100012211131), we get a palindrome (231124421132).

The spelling of 131112210001 in words is "one hundred thirty-one billion, one hundred twelve million, two hundred ten thousand, one".

Divisors: 1 859 9539 16001 8194001 13744859 152633539 131112210001