Base | Representation |
---|---|
bin | 1110001111010111011100… |
… | …11101001010111001001001 |
3 | 11002212121201020222220200201 |
4 | 13013223232131022321021 |
5 | 13101023202411241131 |
6 | 150333332455132201 |
7 | 6411245564020405 |
oct | 707535635127111 |
9 | 132777636886621 |
10 | 31314312212041 |
11 | 9a83363976a61 |
12 | 3618b0b974061 |
13 | 1461c0872a9c1 |
14 | 7a3899680105 |
15 | 394855454761 |
hex | 1c7aee74ae49 |
31314312212041 has 4 divisors (see below), whose sum is σ = 31361686361284. Its totient is φ = 31266938062800.
The previous prime is 31314312212033. The next prime is 31314312212101. The reversal of 31314312212041 is 14021221341313.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 25315951998016 + 5998360214025 = 5031496^2 + 2449155^2 .
It is a cyclic number.
It is not a de Polignac number, because 31314312212041 - 23 = 31314312212033 is a prime.
It is a super-2 number, since 2×313143122120412 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31314312212641) 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, 23687073630 + ... + 23687074951.
It is an arithmetic number, because the mean of its divisors is an integer number (7840421590321).
Almost surely, 231314312212041 is an apocalyptic number.
It is an amenable number.
31314312212041 is a deficient number, since it is larger than the sum of its proper divisors (47374149243).
31314312212041 is an equidigital number, since it uses as much as digits as its factorization.
31314312212041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47374149242.
The product of its (nonzero) digits is 3456, while the sum is 28.
Adding to 31314312212041 its reverse (14021221341313), we get a palindrome (45335533553354).
The spelling of 31314312212041 in words is "thirty-one trillion, three hundred fourteen billion, three hundred twelve million, two hundred twelve thousand, forty-one".
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