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100201131131 = 161276213253
BaseRepresentation
bin101110101010001110…
…0111110110001111011
3100120122012002212021212
41131110130332301323
53120202442144011
6114010505553335
710145035363433
oct1352434766173
9316565085255
10100201131131
1139549a20982
12175051a584b
1395ab3a184a
144bc7a592c3
152916c1908b
hex175473ec7b

100201131131 has 4 divisors (see below), whose sum is σ = 100207360512. Its totient is φ = 100194901752.

The previous prime is 100201131103. The next prime is 100201131169. The reversal of 100201131131 is 131131102001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100201131131 - 226 = 100134022267 is a prime.

It is a super-2 number, since 2×1002011311312 (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 (100201131031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090500 + ... + 3122753.

It is an arithmetic number, because the mean of its divisors is an integer number (25051840128).

Almost surely, 2100201131131 is an apocalyptic number.

100201131131 is a deficient number, since it is larger than the sum of its proper divisors (6229381).

100201131131 is an equidigital number, since it uses as much as digits as its factorization.

100201131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229380.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 100201131131 its reverse (131131102001), we get a palindrome (231332233132).

The spelling of 100201131131 in words is "one hundred billion, two hundred one million, one hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 16127 6213253 100201131131