Base | Representation |
---|---|
bin | 100011011111000011011110… |
… | …0101101011110101100001001 |
3 | 1111221011110111122221102121002 |
4 | 1012332012330231132230021 |
5 | 311402424423012403001 |
6 | 3023503052330424345 |
7 | 122513513123126324 |
oct | 10676067455365411 |
9 | 1457143448842532 |
10 | 312131324341001 |
11 | 90500173386450 |
12 | 2b011184b920b5 |
13 | 10521b1c177449 |
14 | 57113457397bb |
15 | 26143ba9e046b |
hex | 11be1bcb5eb09 |
312131324341001 has 4 divisors (see below), whose sum is σ = 340506899281104. Its totient is φ = 283755749400900.
The previous prime is 312131324340973. The next prime is 312131324341097. The reversal of 312131324341001 is 100143423131213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 312131324341001 - 234 = 312114144471817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312131324343001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14187787470035 + ... + 14187787470056.
It is an arithmetic number, because the mean of its divisors is an integer number (85126724820276).
Almost surely, 2312131324341001 is an apocalyptic number.
It is an amenable number.
312131324341001 is a deficient number, since it is larger than the sum of its proper divisors (28375574940103).
312131324341001 is a wasteful number, since it uses less digits than its factorization.
312131324341001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28375574940102.
The product of its (nonzero) digits is 5184, while the sum is 29.
Adding to 312131324341001 its reverse (100143423131213), we get a palindrome (412274747472214).
The spelling of 312131324341001 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred twenty-four million, three hundred forty-one thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •