Base | Representation |
---|---|
bin | 111101000011111110… |
… | …1010101010111001011 |
3 | 110112110200021021110102 |
4 | 1322013331111113023 |
5 | 4122023241140243 |
6 | 140123523240015 |
7 | 12321344535110 |
oct | 1720775252713 |
9 | 415420237412 |
10 | 131130021323 |
11 | 50680529954 |
12 | 214b721900b |
13 | c49a0370c2 |
14 | 64bd5c0907 |
15 | 36271799b8 |
hex | 1e87f555cb |
131130021323 has 8 divisors (see below), whose sum is σ = 153518074080. Its totient is φ = 109655766720.
The previous prime is 131130021301. The next prime is 131130021367. The reversal of 131130021323 is 323120031131.
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 131130021323 - 218 = 131129759179 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131130021295 and 131130021304.
It is not an unprimeable number, because it can be changed into a prime (131130021023) 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 7 ways as a sum of consecutive naturals, for example, 228449228 + ... + 228449801.
It is an arithmetic number, because the mean of its divisors is an integer number (19189759260).
Almost surely, 2131130021323 is an apocalyptic number.
131130021323 is a deficient number, since it is larger than the sum of its proper divisors (22388052757).
131130021323 is an equidigital number, since it uses as much as digits as its factorization.
131130021323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456899077.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131130021323 its reverse (323120031131), we get a palindrome (454250052454).
The spelling of 131130021323 in words is "one hundred thirty-one billion, one hundred thirty million, twenty-one thousand, three hundred twenty-three".
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