Base | Representation |
---|---|
bin | 111100100010000… |
… | …1001101101001011 |
3 | 12020112221011120101 |
4 | 1321010021231023 |
5 | 13124432201332 |
6 | 533314110231 |
7 | 101222222041 |
oct | 17104115513 |
9 | 5215834511 |
10 | 2031131467 |
11 | 952580152 |
12 | 48827b377 |
13 | 264a57351 |
14 | 153a80391 |
15 | bd4b1ae7 |
hex | 79109b4b |
2031131467 has 2 divisors, whose sum is σ = 2031131468. Its totient is φ = 2031131466.
The previous prime is 2031131383. The next prime is 2031131477. The reversal of 2031131467 is 7641311302.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2031131467 - 27 = 2031131339 is a prime.
It is not a weakly prime, because it can be changed into another prime (2031131477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015565733 + 1015565734.
It is an arithmetic number, because the mean of its divisors is an integer number (1015565734).
Almost surely, 22031131467 is an apocalyptic number.
2031131467 is a deficient number, since it is larger than the sum of its proper divisors (1).
2031131467 is an equidigital number, since it uses as much as digits as its factorization.
2031131467 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 2031131467 is about 45068.0759185479. The cubic root of 2031131467 is about 1266.4246198707.
Adding to 2031131467 its reverse (7641311302), we get a palindrome (9672442769).
The spelling of 2031131467 in words is "two billion, thirty-one million, one hundred thirty-one thousand, four hundred sixty-seven".
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