Base | Representation |
---|---|
bin | 111101000011000101… |
… | …1101100011010011011 |
3 | 110112101121012210021002 |
4 | 1322012023230122123 |
5 | 4121443124400243 |
6 | 140120540535215 |
7 | 12320533402565 |
oct | 1720613543233 |
9 | 415347183232 |
10 | 131100231323 |
11 | 50665732216 |
12 | 214a925150b |
13 | c493b06899 |
14 | 64b9668335 |
15 | 3624742eb8 |
hex | 1e862ec69b |
131100231323 has 16 divisors (see below), whose sum is σ = 133092178560. Its totient is φ = 129120735744.
The previous prime is 131100231319. The next prime is 131100231337. The reversal of 131100231323 is 323132001131.
It is a cyclic number.
It is not a de Polignac number, because 131100231323 - 22 = 131100231319 is a prime.
It is a super-2 number, since 2×1311002313232 (a number of 23 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 = 131100231295 and 131100231304.
It is not an unprimeable number, because it can be changed into a prime (131100231343) 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, 34290590 + ... + 34294412.
It is an arithmetic number, because the mean of its divisors is an integer number (8318261160).
Almost surely, 2131100231323 is an apocalyptic number.
131100231323 is a deficient number, since it is larger than the sum of its proper divisors (1991947237).
131100231323 is a wasteful number, since it uses less digits than its factorization.
131100231323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5318.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131100231323 its reverse (323132001131), we get a palindrome (454232232454).
The spelling of 131100231323 in words is "one hundred thirty-one billion, one hundred million, two hundred thirty-one thousand, three hundred twenty-three".
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