Base | Representation |
---|---|
bin | 111011111111100… |
… | …0110111011000011 |
3 | 12012021212121221121 |
4 | 1313333012323003 |
5 | 13110314012011 |
6 | 531430133111 |
7 | 100612330225 |
oct | 16777067303 |
9 | 5167777847 |
10 | 2013032131 |
11 | 943338920 |
12 | 4821b1197 |
13 | 26108b096 |
14 | 1514cc415 |
15 | bbad8e71 |
hex | 77fc6ec3 |
2013032131 has 4 divisors (see below), whose sum is σ = 2196035064. Its totient is φ = 1830029200.
The previous prime is 2013032081. The next prime is 2013032149. The reversal of 2013032131 is 1312303102.
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 2013032131 - 213 = 2013023939 is a prime.
It is a super-2 number, since 2×20130321312 = 8104596720876802322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2013032191) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91501450 + ... + 91501471.
It is an arithmetic number, because the mean of its divisors is an integer number (549008766).
Almost surely, 22013032131 is an apocalyptic number.
2013032131 is a deficient number, since it is larger than the sum of its proper divisors (183002933).
2013032131 is a wasteful number, since it uses less digits than its factorization.
2013032131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183002932.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2013032131 is about 44866.8266205668. The cubic root of 2013032131 is about 1262.6517034448.
Adding to 2013032131 its reverse (1312303102), we get a palindrome (3325335233).
The spelling of 2013032131 in words is "two billion, thirteen million, thirty-two thousand, one hundred thirty-one".
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