Base | Representation |
---|---|
bin | 1101001010100… |
… | …00101111111111 |
3 | 21200210111011121 |
4 | 12211100233333 |
5 | 211232244411 |
6 | 14542531411 |
7 | 2510435641 |
oct | 645205777 |
9 | 250714147 |
10 | 110431231 |
11 | 57376689 |
12 | 30b96b67 |
13 | 19b56731 |
14 | 10948891 |
15 | 9a65571 |
hex | 6950bff |
110431231 has 4 divisors (see below), whose sum is σ = 110478600. Its totient is φ = 110383864.
The previous prime is 110431213. The next prime is 110431241. The reversal of 110431231 is 132134011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132134011 = 23 ⋅5744957.
It is a cyclic number.
It is not a de Polignac number, because 110431231 - 27 = 110431103 is a prime.
It is a super-2 number, since 2×1104312312 = 24390113560350722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (110431241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19996 + ... + 24913.
It is an arithmetic number, because the mean of its divisors is an integer number (27619650).
Almost surely, 2110431231 is an apocalyptic number.
110431231 is a deficient number, since it is larger than the sum of its proper divisors (47369).
110431231 is an equidigital number, since it uses as much as digits as its factorization.
110431231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47368.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 110431231 is about 10508.6265039728. The cubic root of 110431231 is about 479.7672931612.
Adding to 110431231 its reverse (132134011), we get a palindrome (242565242).
The spelling of 110431231 in words is "one hundred ten million, four hundred thirty-one thousand, two hundred thirty-one".
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