Base | Representation |
---|---|
bin | 1110001111100110100111… |
… | …00101010110001101111101 |
3 | 11002220101201111010200201201 |
4 | 13013303103211112031331 |
5 | 13101141340013232331 |
6 | 150341200244135501 |
7 | 6411654354123400 |
oct | 707632345261575 |
9 | 132811644120651 |
10 | 31322451305341 |
11 | 9a86860207249 |
12 | 361a601697591 |
13 | 1462904a21541 |
14 | 7a402c5d3d37 |
15 | 394b7ec77a61 |
hex | 1c7cd395637d |
31322451305341 has 48 divisors (see below), whose sum is σ = 37894108151808. Its totient is φ = 25787278389600.
The previous prime is 31322451305323. The next prime is 31322451305381. The reversal of 31322451305341 is 14350315422313.
It is a happy number.
It is not a de Polignac number, because 31322451305341 - 25 = 31322451305309 is a prime.
It is a super-2 number, since 2×313224513053412 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31322451305341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31322451305381) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128405296 + ... + 128648998.
It is an arithmetic number, because the mean of its divisors is an integer number (789460586496).
Almost surely, 231322451305341 is an apocalyptic number.
31322451305341 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31322451305341 is a deficient number, since it is larger than the sum of its proper divisors (6571656846467).
31322451305341 is a wasteful number, since it uses less digits than its factorization.
31322451305341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244382 (or 244375 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 37.
Adding to 31322451305341 its reverse (14350315422313), we get a palindrome (45672766727654).
The spelling of 31322451305341 in words is "thirty-one trillion, three hundred twenty-two billion, four hundred fifty-one million, three hundred five thousand, three hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •