Base | Representation |
---|---|
bin | 1110001111010011001011… |
… | …11101001011001010010001 |
3 | 11002212101210122210100022202 |
4 | 13013221211331023022101 |
5 | 13101004010130420103 |
6 | 150332313330412545 |
7 | 6411135045415412 |
oct | 707514575131221 |
9 | 132771718710282 |
10 | 31312022123153 |
11 | 9a82399205312 |
12 | 3618590a31155 |
13 | 1461932145b15 |
14 | 7a371d471809 |
15 | 39476e38e988 |
hex | 1c7a65f4b291 |
31312022123153 has 2 divisors, whose sum is σ = 31312022123154. Its totient is φ = 31312022123152.
The previous prime is 31312022123119. The next prime is 31312022123159. The reversal of 31312022123153 is 35132122021313.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31225878112144 + 86144011009 = 5588012^2 + 293503^2 .
It is a cyclic number.
It is not a de Polignac number, because 31312022123153 - 26 = 31312022123089 is a prime.
It is a super-3 number, since 3×313120221231533 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (31312022123159) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656011061576 + 15656011061577.
It is an arithmetic number, because the mean of its divisors is an integer number (15656011061577).
Almost surely, 231312022123153 is an apocalyptic number.
It is an amenable number.
31312022123153 is a deficient number, since it is larger than the sum of its proper divisors (1).
31312022123153 is an equidigital number, since it uses as much as digits as its factorization.
31312022123153 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 29.
Adding to 31312022123153 its reverse (35132122021313), we get a palindrome (66444144144466).
The spelling of 31312022123153 in words is "thirty-one trillion, three hundred twelve billion, twenty-two million, one hundred twenty-three thousand, one hundred fifty-three".
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