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101122131131 = 72329127170537
BaseRepresentation
bin101111000101101011…
…0010100010010111011
3100200000101010111202222
41132023112110102323
53124044231144011
6114242130114255
710206620634560
oct1361326242273
9320011114688
10101122131131
11399818968aa
121772171b98b
1396c713b868
144c740c0867
15296c9e2ddb
hex178b5944bb

101122131131 has 32 divisors (see below), whose sum is σ = 125734256640. Its totient is φ = 79417933056.

The previous prime is 101122131079. The next prime is 101122131137. The reversal of 101122131131 is 131131221101.

It is not a de Polignac number, because 101122131131 - 226 = 101055022267 is a prime.

It is a super-2 number, since 2×1011221311312 (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 (101122131137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507695 + ... + 678231.

It is an arithmetic number, because the mean of its divisors is an integer number (3929195520).

Almost surely, 2101122131131 is an apocalyptic number.

101122131131 is a deficient number, since it is larger than the sum of its proper divisors (24612125509).

101122131131 is a wasteful number, since it uses less digits than its factorization.

101122131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170723.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 101122131131 its reverse (131131221101), we get a palindrome (232253352232).

The spelling of 101122131131 in words is "one hundred one billion, one hundred twenty-two million, one hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 7 23 29 127 161 203 667 889 2921 3683 4669 20447 25781 84709 170537 592963 1193759 3922351 4945573 21658199 27456457 34619011 113748179 151607393 498138577 628087771 796237253 3486970039 4396614397 14446018733 101122131131