Base | Representation |
---|---|
bin | 1001000101100100111… |
… | …10100011101011100111 |
3 | 1002211220222121000120201 |
4 | 10202302132203223213 |
5 | 20103422343001411 |
6 | 355234251211331 |
7 | 31362254132524 |
oct | 4426236435347 |
9 | 1084828530521 |
10 | 312232000231 |
11 | 1104649080a8 |
12 | 50619a46b47 |
13 | 2359c072c78 |
14 | 1117d8b214b |
15 | 81c64aa3c1 |
hex | 48b27a3ae7 |
312232000231 has 4 divisors (see below), whose sum is σ = 313082768992. Its totient is φ = 311381231472.
The previous prime is 312232000207. The next prime is 312232000253. The reversal of 312232000231 is 132000232213.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 312232000231 - 29 = 312231999719 is a prime.
It is a super-2 number, since 2×3122320002312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312232000199 and 312232000208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312232000261) 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, 425383830 + ... + 425384563.
It is an arithmetic number, because the mean of its divisors is an integer number (78270692248).
Almost surely, 2312232000231 is an apocalyptic number.
312232000231 is a deficient number, since it is larger than the sum of its proper divisors (850768761).
312232000231 is an equidigital number, since it uses as much as digits as its factorization.
312232000231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 850768760.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 312232000231 its reverse (132000232213), we get a palindrome (444232232444).
The spelling of 312232000231 in words is "three hundred twelve billion, two hundred thirty-two million, two hundred thirty-one", and thus it is an aban number.
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