Base | Representation |
---|---|
bin | 1110010010011110001100… |
… | …01110000001000001111001 |
3 | 11010020211010022012212121102 |
4 | 13021033012032001001321 |
5 | 13104300212400130431 |
6 | 150454340251421145 |
7 | 6422043644415455 |
oct | 711170616010171 |
9 | 133224108185542 |
10 | 31421011333241 |
11 | a014637831a62 |
12 | 36357291547b5 |
13 | 146bcb10c858a |
14 | 7a8adc2d9665 |
15 | 3974ec873dcb |
hex | 1c93c6381079 |
31421011333241 has 8 divisors (see below), whose sum is σ = 31429339899720. Its totient is φ = 31412683830528.
The previous prime is 31421011333223. The next prime is 31421011333247. The reversal of 31421011333241 is 14233311012413.
It can be written as a sum of positive squares in 4 ways, for example, as 7336188931600 + 24084822401641 = 2708540^2 + 4907629^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31421011333241 - 238 = 31146133426297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31421011333247) 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, 60652385 + ... + 61168241.
It is an arithmetic number, because the mean of its divisors is an integer number (3928667487465).
Almost surely, 231421011333241 is an apocalyptic number.
It is an amenable number.
31421011333241 is a deficient number, since it is larger than the sum of its proper divisors (8328566479).
31421011333241 is an equidigital number, since it uses as much as digits as its factorization.
31421011333241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 531883.
The product of its (nonzero) digits is 5184, while the sum is 29.
Adding to 31421011333241 its reverse (14233311012413), we get a palindrome (45654322345654).
The spelling of 31421011333241 in words is "thirty-one trillion, four hundred twenty-one billion, eleven million, three hundred thirty-three thousand, two hundred forty-one".
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