Base | Representation |
---|---|
bin | 11101101100010101000… |
… | …01101010100101010011 |
3 | 10121112101200020111000102 |
4 | 32312022201222211103 |
5 | 113203413210031011 |
6 | 2100404322043015 |
7 | 133465166135546 |
oct | 16661241524523 |
9 | 3545350214012 |
10 | 1020231330131 |
11 | 36374aa96742 |
12 | 1458894a946b |
13 | 75290879cc0 |
14 | 3754534885d |
15 | 1b81297973b |
hex | ed8a86a953 |
1020231330131 has 8 divisors (see below), whose sum is σ = 1099510908720. Its totient is φ = 941066072352.
The previous prime is 1020231330113. The next prime is 1020231330161. The reversal of 1020231330131 is 1310331320201.
1020231330131 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 1020231330131 - 234 = 1003051460947 is a prime.
It is a super-2 number, since 2×10202313301312 (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 (1020231330161) 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, 28561661 + ... + 28597358.
It is an arithmetic number, because the mean of its divisors is an integer number (137438863590).
Almost surely, 21020231330131 is an apocalyptic number.
1020231330131 is a deficient number, since it is larger than the sum of its proper divisors (79279578589).
1020231330131 is a wasteful number, since it uses less digits than its factorization.
1020231330131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57160405.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 1020231330131 its reverse (1310331320201), we get a palindrome (2330562650332).
The spelling of 1020231330131 in words is "one trillion, twenty billion, two hundred thirty-one million, three hundred thirty thousand, one hundred thirty-one".
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