Base | Representation |
---|---|
bin | 1101001000001… |
… | …01000001000111 |
3 | 21200012201122201 |
4 | 12210011001013 |
5 | 211142333111 |
6 | 14532135331 |
7 | 2505004366 |
oct | 644050107 |
9 | 250181581 |
10 | 110121031 |
11 | 57184619 |
12 | 30a67547 |
13 | 19a78497 |
14 | 108a77dd |
15 | 9a036c1 |
hex | 6905047 |
110121031 has 2 divisors, whose sum is σ = 110121032. Its totient is φ = 110121030.
The previous prime is 110120977. The next prime is 110121059. The reversal of 110121031 is 130121011.
It is a strong prime.
It is an emirp because it is prime and its reverse (130121011) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 110121031 - 219 = 109596743 is a prime.
It is a super-2 number, since 2×1101210312 = 24253282937005922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 110120999 and 110121017.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (110121931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060515 + 55060516.
It is an arithmetic number, because the mean of its divisors is an integer number (55060516).
Almost surely, 2110121031 is an apocalyptic number.
110121031 is a deficient number, since it is larger than the sum of its proper divisors (1).
110121031 is an equidigital number, since it uses as much as digits as its factorization.
110121031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 110121031 is about 10493.8568219697. The cubic root of 110121031 is about 479.3176516997.
Adding to 110121031 its reverse (130121011), we get a palindrome (240242042).
The spelling of 110121031 in words is "one hundred ten million, one hundred twenty-one thousand, thirty-one".
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