Base | Representation |
---|---|
bin | 11111000000101001100… |
… | …111100111110011001111 |
3 | 21112201111012021120010200 |
4 | 133000221213213303033 |
5 | 234403243010000221 |
6 | 4310545133104543 |
7 | 306650134253346 |
oct | 37005147476317 |
9 | 7481435246120 |
10 | 2131002031311 |
11 | 75183110096a |
12 | 2a5004328153 |
13 | 125c4cc0782a |
14 | 751d9074b5d |
15 | 3a673cc4426 |
hex | 1f0299e7ccf |
2131002031311 has 6 divisors (see below), whose sum is σ = 3078114045240. Its totient is φ = 1420668020868.
The previous prime is 2131002031273. The next prime is 2131002031321. The reversal of 2131002031311 is 1131302001312.
2131002031311 is a `hidden beast` number, since 21 + 310 + 0 + 20 + 3 + 1 + 311 = 666.
It is not a de Polignac number, because 2131002031311 - 26 = 2131002031247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131002031321) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118389001731 + ... + 118389001748.
It is an arithmetic number, because the mean of its divisors is an integer number (513019007540).
Almost surely, 22131002031311 is an apocalyptic number.
2131002031311 is a deficient number, since it is larger than the sum of its proper divisors (947112013929).
2131002031311 is a wasteful number, since it uses less digits than its factorization.
2131002031311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236778003485 (or 236778003482 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 2131002031311 its reverse (1131302001312), we get a palindrome (3262304032623).
Subtracting from 2131002031311 its reverse (1131302001312), we obtain a cube (999700029999 = 99993).
The spelling of 2131002031311 in words is "two trillion, one hundred thirty-one billion, two million, thirty-one thousand, three hundred eleven".
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