Base | Representation |
---|---|
bin | 1010010011100011110000… |
… | …0011101101101001101111 |
3 | 1111010020122000200021212102 |
4 | 2210320330003231221233 |
5 | 2441122124110130411 |
6 | 40033241101125315 |
7 | 2246434666111313 |
oct | 244707403555157 |
9 | 44106560607772 |
10 | 11331131333231 |
11 | 3679562265686 |
12 | 1330070b5983b |
13 | 6426a0b194a8 |
14 | 2b2603099b43 |
15 | 149b36e66d3b |
hex | a4e3c0eda6f |
11331131333231 has 4 divisors (see below), whose sum is σ = 11331142180464. Its totient is φ = 11331120486000.
The previous prime is 11331131333209. The next prime is 11331131333243. The reversal of 11331131333231 is 13233313113311.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 11331131333231 - 26 = 11331131333167 is a prime.
It is a super-2 number, since 2×113311313332312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11331131333194 and 11331131333203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11331131333531) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667070 + ... + 6009131.
It is an arithmetic number, because the mean of its divisors is an integer number (2832785545116).
Almost surely, 211331131333231 is an apocalyptic number.
11331131333231 is a deficient number, since it is larger than the sum of its proper divisors (10847233).
11331131333231 is an equidigital number, since it uses as much as digits as its factorization.
11331131333231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10847232.
The product of its digits is 4374, while the sum is 29.
Adding to 11331131333231 its reverse (13233313113311), we get a palindrome (24564444446542).
The spelling of 11331131333231 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred thirty-one".
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