Base | Representation |
---|---|
bin | 110000000001100011… |
… | …0000010111000010011 |
3 | 100212012101102022001202 |
4 | 1200003012002320103 |
5 | 3142203032201121 |
6 | 115213334021415 |
7 | 10310454103340 |
oct | 1400306027023 |
9 | 325171368052 |
10 | 103131131411 |
11 | 3a812920510 |
12 | 17ba24a786b |
13 | 9957417719 |
14 | 4dc4c3d7c7 |
15 | 2a3908240b |
hex | 1803182e13 |
103131131411 has 16 divisors (see below), whose sum is σ = 129852142848. Its totient is φ = 79566252000.
The previous prime is 103131131407. The next prime is 103131131413. The reversal of 103131131411 is 114131131301.
It is a cyclic number.
It is not a de Polignac number, because 103131131411 - 22 = 103131131407 is a prime.
It is a super-2 number, since 2×1031311314112 (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 (103131131413) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 6622745 + ... + 6638298.
It is an arithmetic number, because the mean of its divisors is an integer number (8115758928).
Almost surely, 2103131131411 is an apocalyptic number.
103131131411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
103131131411 is a deficient number, since it is larger than the sum of its proper divisors (26721011437).
103131131411 is a wasteful number, since it uses less digits than its factorization.
103131131411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13261162.
The product of its (nonzero) digits is 108, while the sum is 20.
Adding to 103131131411 its reverse (114131131301), we get a palindrome (217262262712).
The spelling of 103131131411 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-one thousand, four hundred eleven".
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