Base | Representation |
---|---|
bin | 1001000101001010111… |
… | …11110000110000100011 |
3 | 1002211100210210020110210 |
4 | 10202211133300300203 |
5 | 20103001114242011 |
6 | 355200511225203 |
7 | 31354001021016 |
oct | 4424537606043 |
9 | 1084323706423 |
10 | 312014212131 |
11 | 110362985736 |
12 | 50578b18203 |
13 | 23565bcb27b |
14 | 1115c9bd37d |
15 | 81b22da6a6 |
hex | 48a57f0c23 |
312014212131 has 8 divisors (see below), whose sum is σ = 421285012480. Its totient is φ = 205376443272.
The previous prime is 312014212129. The next prime is 312014212151. The reversal of 312014212131 is 131212410213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312014212131 - 21 = 312014212129 is a prime.
It is a super-2 number, since 2×3120142121312 (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 = 312014212098 and 312014212107.
It is not an unprimeable number, because it can be changed into a prime (312014212151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658257595 + ... + 658258068.
It is an arithmetic number, because the mean of its divisors is an integer number (52660626560).
Almost surely, 2312014212131 is an apocalyptic number.
312014212131 is a deficient number, since it is larger than the sum of its proper divisors (109270800349).
312014212131 is a wasteful number, since it uses less digits than its factorization.
312014212131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1316515745.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 312014212131 its reverse (131212410213), we get a palindrome (443226622344).
The spelling of 312014212131 in words is "three hundred twelve billion, fourteen million, two hundred twelve thousand, one hundred thirty-one".
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