Base | Representation |
---|---|
bin | 1111101001111… |
… | …11011110110111 |
3 | 100011010100200000 |
4 | 13310333132313 |
5 | 232110111043 |
6 | 21010522343 |
7 | 3153206124 |
oct | 764773667 |
9 | 304110600 |
10 | 131332023 |
11 | 68151769 |
12 | 37b963b3 |
13 | 21293b74 |
14 | 1362974b |
15 | b7e32d3 |
hex | 7d3f7b7 |
131332023 has 12 divisors (see below), whose sum is σ = 196728168. Its totient is φ = 87554520.
The previous prime is 131331997. The next prime is 131332031. The reversal of 131332023 is 320233131.
It is not a de Polignac number, because 131332023 - 221 = 129234871 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131331987 and 131332005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131332043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269988 + ... + 270473.
It is an arithmetic number, because the mean of its divisors is an integer number (16394014).
Almost surely, 2131332023 is an apocalyptic number.
131332023 is a deficient number, since it is larger than the sum of its proper divisors (65396145).
131332023 is an frugal number, since it uses more digits than its factorization.
131332023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 540476 (or 540464 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 131332023 is about 11460.0184554825. The cubic root of 131332023 is about 508.3040203348.
Adding to 131332023 its reverse (320233131), we get a palindrome (451565154).
The spelling of 131332023 in words is "one hundred thirty-one million, three hundred thirty-two thousand, twenty-three".
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