Base | Representation |
---|---|
bin | 11000110011111010… |
… | …00001111101111011 |
3 | 1021101022112221011110 |
4 | 30121331001331323 |
5 | 204240001044011 |
6 | 10041432531403 |
7 | 651042642432 |
oct | 143175017573 |
9 | 37338487143 |
10 | 13320331131 |
11 | 5715a85a28 |
12 | 26b8b50b63 |
13 | 134386a853 |
14 | 905112119 |
15 | 52e629ba6 |
hex | 319f41f7b |
13320331131 has 16 divisors (see below), whose sum is σ = 18372676608. Its totient is φ = 8575332000.
The previous prime is 13320331103. The next prime is 13320331151. The reversal of 13320331131 is 13113302331.
It is not a de Polignac number, because 13320331131 - 215 = 13320298363 is a prime.
It is a super-2 number, since 2×133203311312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13320331098 and 13320331107.
It is not an unprimeable number, because it can be changed into a prime (13320331151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109920 + ... + 196781.
It is an arithmetic number, because the mean of its divisors is an integer number (1148292288).
Almost surely, 213320331131 is an apocalyptic number.
13320331131 is a deficient number, since it is larger than the sum of its proper divisors (5052345477).
13320331131 is a wasteful number, since it uses less digits than its factorization.
13320331131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307202.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 13320331131 its reverse (13113302331), we get a palindrome (26433633462).
The spelling of 13320331131 in words is "thirteen billion, three hundred twenty million, three hundred thirty-one thousand, one hundred thirty-one".
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