Base | Representation |
---|---|
bin | 100011011111000011011110… |
… | …0101100010011010100101101 |
3 | 1111221011110111122100202010202 |
4 | 1012332012330230103110231 |
5 | 311402424422423013201 |
6 | 3023503052320043245 |
7 | 122513513120402324 |
oct | 10676067454232455 |
9 | 1457143448322122 |
10 | 312131324032301 |
11 | 90500173195524 |
12 | 2b011184a63525 |
13 | 10521b1c099a97 |
14 | 57113456990bb |
15 | 26143ba97dc6b |
hex | 11be1bcb1352d |
312131324032301 has 4 divisors (see below), whose sum is σ = 312248534445792. Its totient is φ = 312014113618812.
The previous prime is 312131324032267. The next prime is 312131324032303. The reversal of 312131324032301 is 103230423131213.
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 a de Polignac number, because none of the positive numbers 2k-312131324032301 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312131324032303) 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, 58605202751 + ... + 58605208076.
It is an arithmetic number, because the mean of its divisors is an integer number (78062133611448).
Almost surely, 2312131324032301 is an apocalyptic number.
It is an amenable number.
312131324032301 is a deficient number, since it is larger than the sum of its proper divisors (117210413491).
312131324032301 is a wasteful number, since it uses less digits than its factorization.
312131324032301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117210413490.
The product of its (nonzero) digits is 7776, while the sum is 29.
Adding to 312131324032301 its reverse (103230423131213), we get a palindrome (415361747163514).
The spelling of 312131324032301 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred twenty-four million, thirty-two thousand, three hundred one".
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