Base | Representation |
---|---|
bin | 111100100001110… |
… | …1100001000000111 |
3 | 12020112201000101010 |
4 | 1321003230020013 |
5 | 13124414312221 |
6 | 533311333303 |
7 | 101221205601 |
oct | 17103541007 |
9 | 5215630333 |
10 | 2031010311 |
11 | 9524a8120 |
12 | 488221233 |
13 | 264a14165 |
14 | 153a4c171 |
15 | bd48ac76 |
hex | 790ec207 |
2031010311 has 16 divisors (see below), whose sum is σ = 3002629248. Its totient is φ = 1210735200.
The previous prime is 2031010283. The next prime is 2031010343. The reversal of 2031010311 is 1130101302.
It is not a de Polignac number, because 2031010311 - 223 = 2022621703 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031010381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502461 + ... + 506486.
It is an arithmetic number, because the mean of its divisors is an integer number (187664328).
Almost surely, 22031010311 is an apocalyptic number.
2031010311 is a deficient number, since it is larger than the sum of its proper divisors (971618937).
2031010311 is a wasteful number, since it uses less digits than its factorization.
2031010311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009022.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 2031010311 is about 45066.7317541443. The cubic root of 2031010311 is about 1266.3994388333.
Adding to 2031010311 its reverse (1130101302), we get a palindrome (3161111613).
Subtracting from 2031010311 its reverse (1130101302), we obtain a palindrome (900909009).
The spelling of 2031010311 in words is "two billion, thirty-one million, ten thousand, three hundred eleven".
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