Base | Representation |
---|---|
bin | 111110101001111… |
… | …0000011011111011 |
3 | 12102111220111010222 |
4 | 1331103300123323 |
5 | 13301144044011 |
6 | 544340130255 |
7 | 103045343165 |
oct | 17523603373 |
9 | 5374814128 |
10 | 2102331131 |
11 | 98979054a |
12 | 4a809698b |
13 | 276725c24 |
14 | 15d2d5935 |
15 | c4877ddb |
hex | 7d4f06fb |
2102331131 has 8 divisors (see below), whose sum is σ = 2118197760. Its totient is φ = 2086501032.
The previous prime is 2102331097. The next prime is 2102331139. The reversal of 2102331131 is 1311332012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2102331131 - 222 = 2098136827 is a prime.
It is a super-3 number, since 3×21023311313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2102331139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112430 + ... + 129788.
It is an arithmetic number, because the mean of its divisors is an integer number (264774720).
Almost surely, 22102331131 is an apocalyptic number.
2102331131 is a deficient number, since it is larger than the sum of its proper divisors (15866629).
2102331131 is a wasteful number, since it uses less digits than its factorization.
2102331131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18265.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2102331131 is about 45851.1846193749. The cubic root of 2102331131 is about 1281.0528306835.
Adding to 2102331131 its reverse (1311332012), we get a palindrome (3413663143).
The spelling of 2102331131 in words is "two billion, one hundred two million, three hundred thirty-one thousand, one hundred thirty-one".
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