Base | Representation |
---|---|
bin | 10011000100000011111… |
… | …011110010101100111111 |
3 | 11122020102022111122000122 |
4 | 103010003323302230333 |
5 | 132430420420443403 |
6 | 2441453035245155 |
7 | 163434535015124 |
oct | 23040373625477 |
9 | 4566368448018 |
10 | 1310031031103 |
11 | 465643401343 |
12 | 191a868a97bb |
13 | 966c635acc2 |
14 | 475978a874b |
15 | 241248b2838 |
hex | 13103ef2b3f |
1310031031103 has 12 divisors (see below), whose sum is σ = 1392555807720. Its totient is φ = 1232153334576.
The previous prime is 1310031031081. The next prime is 1310031031109. The reversal of 1310031031103 is 3011301300131.
It is not a de Polignac number, because 1310031031103 - 216 = 1310030965567 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310031031109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13003400 + ... + 13103757.
It is an arithmetic number, because the mean of its divisors is an integer number (116046317310).
Almost surely, 21310031031103 is an apocalyptic number.
1310031031103 is a deficient number, since it is larger than the sum of its proper divisors (82524776617).
1310031031103 is a wasteful number, since it uses less digits than its factorization.
1310031031103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26107334 (or 26107315 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 17.
Adding to 1310031031103 its reverse (3011301300131), we get a palindrome (4321332331234).
The spelling of 1310031031103 in words is "one trillion, three hundred ten billion, thirty-one million, thirty-one thousand, one hundred three".
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