Base | Representation |
---|---|
bin | 111110111110011… |
… | …0110100010011111 |
3 | 12110021011210210021 |
4 | 1331330312202133 |
5 | 13311423312111 |
6 | 545403053011 |
7 | 103236042103 |
oct | 17574664237 |
9 | 5407153707 |
10 | 2113104031 |
11 | 994879375 |
12 | 4ab811167 |
13 | 278a2851c |
14 | 1608db903 |
15 | c57a4d71 |
hex | 7df3689f |
2113104031 has 2 divisors, whose sum is σ = 2113104032. Its totient is φ = 2113104030.
The previous prime is 2113103963. The next prime is 2113104041. The reversal of 2113104031 is 1304013112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2113104031 - 27 = 2113103903 is a prime.
It is a super-2 number, since 2×21131040312 = 8930417291656897922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2113103996 and 2113104014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2113104041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056552015 + 1056552016.
It is an arithmetic number, because the mean of its divisors is an integer number (1056552016).
Almost surely, 22113104031 is an apocalyptic number.
2113104031 is a deficient number, since it is larger than the sum of its proper divisors (1).
2113104031 is an equidigital number, since it uses as much as digits as its factorization.
2113104031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2113104031 is about 45968.5112984965. The cubic root of 2113104031 is about 1283.2372547550.
Adding to 2113104031 its reverse (1304013112), we get a palindrome (3417117143).
The spelling of 2113104031 in words is "two billion, one hundred thirteen million, one hundred four thousand, thirty-one".
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