Base | Representation |
---|---|
bin | 1001001100110011110100… |
… | …00001111110100111011011 |
3 | 2122122002122002200222000002 |
4 | 10212121322001332213123 |
5 | 10122432242341200011 |
6 | 111010052324003215 |
7 | 4155444355451252 |
oct | 446317201764733 |
9 | 78562562628002 |
10 | 20231343303131 |
11 | 64a0078956844 |
12 | 2328b77b3050b |
13 | b39a6608510c |
14 | 4dd2b8d3b799 |
15 | 2513e4d29c3b |
hex | 12667a07e9db |
20231343303131 has 16 divisors (see below), whose sum is σ = 20435910156288. Its totient is φ = 20027811924000.
The previous prime is 20231343303071. The next prime is 20231343303191. The reversal of 20231343303131 is 13130334313202.
It is an interprime number because it is at equal distance from previous prime (20231343303071) and next prime (20231343303191).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20231343303131 is a prime.
It is a super-2 number, since 2×202313433031312 (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 = 20231343303094 and 20231343303103.
It is not an unprimeable number, because it can be changed into a prime (20231343303191) 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, 56898806 + ... + 57253268.
It is an arithmetic number, because the mean of its divisors is an integer number (1277244384768).
Almost surely, 220231343303131 is an apocalyptic number.
20231343303131 is a deficient number, since it is larger than the sum of its proper divisors (204566853157).
20231343303131 is a wasteful number, since it uses less digits than its factorization.
20231343303131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 355922.
The product of its (nonzero) digits is 11664, while the sum is 29.
Adding to 20231343303131 its reverse (13130334313202), we get a palindrome (33361677616333).
The spelling of 20231343303131 in words is "twenty trillion, two hundred thirty-one billion, three hundred forty-three million, three hundred three thousand, one hundred thirty-one".
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