Base | Representation |
---|---|
bin | 1110010010010001111101… |
… | …00111010111111101111001 |
3 | 11010020012011102120012221212 |
4 | 13021020332213113331321 |
5 | 13104143233433441441 |
6 | 150451332313212505 |
7 | 6421422066231110 |
oct | 711107647277571 |
9 | 133205142505855 |
10 | 31414441312121 |
11 | a01187616993a |
12 | 36343b4a01135 |
13 | 146b4a4bcc40a |
14 | 7a8677908c77 |
15 | 397265b90eeb |
hex | 1c923e9d7f79 |
31414441312121 has 32 divisors (see below), whose sum is σ = 36995278307328. Its totient is φ = 26117215568640.
The previous prime is 31414441312103. The next prime is 31414441312127. The reversal of 31414441312121 is 12121314441413.
It is not a de Polignac number, because 31414441312121 - 230 = 31413367570297 is a prime.
It is a super-2 number, since 2×314144413121212 (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 (31414441312127) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317553656 + ... + 317652566.
It is an arithmetic number, because the mean of its divisors is an integer number (1156102447104).
Almost surely, 231414441312121 is an apocalyptic number.
It is an amenable number.
31414441312121 is a deficient number, since it is larger than the sum of its proper divisors (5580836995207).
31414441312121 is a wasteful number, since it uses less digits than its factorization.
31414441312121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107621.
The product of its digits is 9216, while the sum is 32.
Adding to 31414441312121 its reverse (12121314441413), we get a palindrome (43535755753534).
The spelling of 31414441312121 in words is "thirty-one trillion, four hundred fourteen billion, four hundred forty-one million, three hundred twelve thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •