Base | Representation |
---|---|
bin | 11101110001101110110… |
… | …00010000001100101011 |
3 | 10121210212210002021210111 |
4 | 32320313120100030223 |
5 | 113230333104234011 |
6 | 2102004154555151 |
7 | 133630101511033 |
oct | 16706730201453 |
9 | 3553783067714 |
10 | 1023131321131 |
11 | 3649a8a59917 |
12 | 146358738ab7 |
13 | 756336168ca |
14 | 3773c55a8c3 |
15 | 1b932366121 |
hex | ee3761032b |
1023131321131 has 8 divisors (see below), whose sum is σ = 1025227080000. Its totient is φ = 1021035744840.
The previous prime is 1023131321083. The next prime is 1023131321197. The reversal of 1023131321131 is 1311231313201.
1023131321131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1023131321131 - 221 = 1023129223979 is a prime.
It is a super-2 number, since 2×10231313211312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1023131321231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21023016 + ... + 21071626.
It is an arithmetic number, because the mean of its divisors is an integer number (128153385000).
Almost surely, 21023131321131 is an apocalyptic number.
1023131321131 is a deficient number, since it is larger than the sum of its proper divisors (2095758869).
1023131321131 is an equidigital number, since it uses as much as digits as its factorization.
1023131321131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91289.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 1023131321131 its reverse (1311231313201), we get a palindrome (2334362634332).
The spelling of 1023131321131 in words is "one trillion, twenty-three billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-one".
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