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131101122 = 2321850187
BaseRepresentation
bin1111101000001…
…11000111000010
3100010200121221010
413310013013002
5232030213442
621001541350
73151225005
oct764070702
9303617833
10131101122
1168004239
1237aa4856
1321212a39
14135a953c
15b799b9c
hex7d071c2

131101122 has 8 divisors (see below), whose sum is σ = 262202256. Its totient is φ = 43700372.

The previous prime is 131101079. The next prime is 131101133. The reversal of 131101122 is 221101131.

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

131101122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 131101098 and 131101107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10925088 + ... + 10925099.

It is an arithmetic number, because the mean of its divisors is an integer number (32775282).

Almost surely, 2131101122 is an apocalyptic number.

131101122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131101122 is a wasteful number, since it uses less digits than its factorization.

131101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21850192.

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

The square root of 131101122 is about 11449.9398251694. The cubic root of 131101122 is about 508.0059545254.

Adding to 131101122 its reverse (221101131), we get a palindrome (352202253).

Subtracting 131101122 from its reverse (221101131), we obtain a palindrome (90000009).

The spelling of 131101122 in words is "one hundred thirty-one million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 21850187 43700374 65550561 131101122