Base | Representation |
---|---|
bin | 111101000110111111… |
… | …0111101001101110011 |
3 | 110112201201111010001121 |
4 | 1322031332331031303 |
5 | 4122230131010003 |
6 | 140141534043111 |
7 | 12324013013230 |
oct | 1721576751563 |
9 | 415651433047 |
10 | 131231110003 |
11 | 507225a4314 |
12 | 21525049497 |
13 | c4b4c6c2a6 |
14 | 64ccbb6787 |
15 | 3630e96cbd |
hex | 1e8dfbd373 |
131231110003 has 32 divisors (see below), whose sum is σ = 166232383488. Its totient is φ = 101008857600.
The previous prime is 131231109983. The next prime is 131231110061. The reversal of 131231110003 is 300011132131.
It is not a de Polignac number, because 131231110003 - 213 = 131231101811 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131231119003) 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, 11401 + ... + 512437.
It is an arithmetic number, because the mean of its divisors is an integer number (5194761984).
Almost surely, 2131231110003 is an apocalyptic number.
131231110003 is a deficient number, since it is larger than the sum of its proper divisors (35001273485).
131231110003 is a wasteful number, since it uses less digits than its factorization.
131231110003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 501163.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 131231110003 its reverse (300011132131), we get a palindrome (431242242134).
The spelling of 131231110003 in words is "one hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand, three".
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