Base | Representation |
---|---|
bin | 111101001001101001… |
… | …0111011100100011111 |
3 | 110112221221011222202120 |
4 | 1322103102323210133 |
5 | 4122420434412343 |
6 | 140154440154023 |
7 | 12326144361615 |
oct | 1722322734437 |
9 | 415857158676 |
10 | 131320232223 |
11 | 50768936144 |
12 | 2154aa68913 |
13 | c4ca57482b |
14 | 64da9756b5 |
15 | 3638bed683 |
hex | 1e934bb91f |
131320232223 has 8 divisors (see below), whose sum is σ = 176000864688. Its totient is φ = 87093210624.
The previous prime is 131320232207. The next prime is 131320232261. The reversal of 131320232223 is 322232023131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131320232223 - 24 = 131320232207 is a prime.
It is a super-2 number, since 2×1313202322232 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131320232193 and 131320232202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131320232293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113402040 + ... + 113403197.
It is an arithmetic number, because the mean of its divisors is an integer number (22000108086).
Almost surely, 2131320232223 is an apocalyptic number.
131320232223 is a deficient number, since it is larger than the sum of its proper divisors (44680632465).
131320232223 is a wasteful number, since it uses less digits than its factorization.
131320232223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226805433.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 131320232223 its reverse (322232023131), we get a palindrome (453552255354).
The spelling of 131320232223 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred thirty-two thousand, two hundred twenty-three".
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