Base | Representation |
---|---|
bin | 111101001010000000… |
… | …0101100110010011101 |
3 | 110112222202202120000211 |
4 | 1322110000230302131 |
5 | 4122432022332201 |
6 | 140155545252421 |
7 | 12326351352466 |
oct | 1722400546235 |
9 | 415882676024 |
10 | 131332230301 |
11 | 50774690508 |
12 | 21552a94111 |
13 | c4ccbb599c |
14 | 64dc3b9d6d |
15 | 3639cbd651 |
hex | 1e9402cc9d |
131332230301 has 4 divisors (see below), whose sum is σ = 131332966812. Its totient is φ = 131331493792.
The previous prime is 131332230299. The next prime is 131332230311. The reversal of 131332230301 is 103032233131.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 103032233131 = 47 ⋅2192175173.
It can be written as a sum of positive squares in 2 ways, for example, as 38946627801 + 92385602500 = 197349^2 + 303950^2 .
It is a cyclic number.
It is not a de Polignac number, because 131332230301 - 21 = 131332230299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131332230311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86001 + ... + 519673.
It is an arithmetic number, because the mean of its divisors is an integer number (32833241703).
Almost surely, 2131332230301 is an apocalyptic number.
It is an amenable number.
131332230301 is a deficient number, since it is larger than the sum of its proper divisors (736511).
131332230301 is an equidigital number, since it uses as much as digits as its factorization.
131332230301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 736510.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 131332230301 its reverse (103032233131), we get a palindrome (234364463432).
The spelling of 131332230301 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred thirty thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •