Base | Representation |
---|---|
bin | 1110001111111010101011… |
… | …00000111010000010011101 |
3 | 11002221102112001102122211101 |
4 | 13013331111200322002131 |
5 | 13101330414101122023 |
6 | 150350141050353101 |
7 | 6412515300025450 |
oct | 707752540720235 |
9 | 132842461378741 |
10 | 31333221114013 |
11 | 9a90387510975 |
12 | 362070842b791 |
13 | 14639300507b0 |
14 | 7a4770aa3497 |
15 | 3950b04e71ad |
hex | 1c7f5583a09d |
31333221114013 has 48 divisors (see below), whose sum is σ = 39553070874240. Its totient is φ = 24158093847552.
The previous prime is 31333221113951. The next prime is 31333221114037. The reversal of 31333221114013 is 31041112233313.
It is not a de Polignac number, because 31333221114013 - 229 = 31332684243101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31333221114053) 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, 733623103 + ... + 733665811.
It is an arithmetic number, because the mean of its divisors is an integer number (824022309880).
Almost surely, 231333221114013 is an apocalyptic number.
It is an amenable number.
31333221114013 is a deficient number, since it is larger than the sum of its proper divisors (8219849760227).
31333221114013 is an equidigital number, since it uses as much as digits as its factorization.
31333221114013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43638 (or 43205 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 28.
Adding to 31333221114013 its reverse (31041112233313), we get a palindrome (62374333347326).
The spelling of 31333221114013 in words is "thirty-one trillion, three hundred thirty-three billion, two hundred twenty-one million, one hundred fourteen thousand, thirteen".
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