Base | Representation |
---|---|
bin | 1111100111110… |
… | …00100000110011 |
3 | 100010120120220122 |
4 | 13303320200303 |
5 | 232021310311 |
6 | 21000400455 |
7 | 3150555461 |
oct | 763704063 |
9 | 303516818 |
10 | 131041331 |
11 | 67a73323 |
12 | 37a7612b |
13 | 211c1765 |
14 | 13591831 |
15 | b7870db |
hex | 7cf8833 |
131041331 has 4 divisors (see below), whose sum is σ = 131142000. Its totient is φ = 130940664.
The previous prime is 131041303. The next prime is 131041349. The reversal of 131041331 is 133140131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131041331 - 214 = 131024947 is a prime.
It is a super-2 number, since 2×1310413312 = 34343660860503122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131041381) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48356 + ... + 50993.
It is an arithmetic number, because the mean of its divisors is an integer number (32785500).
Almost surely, 2131041331 is an apocalyptic number.
131041331 is a deficient number, since it is larger than the sum of its proper divisors (100669).
131041331 is an equidigital number, since it uses as much as digits as its factorization.
131041331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100668.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 131041331 is about 11447.3285529856. The cubic root of 131041331 is about 507.9287143964.
Adding to 131041331 its reverse (133140131), we get a palindrome (264181462).
The spelling of 131041331 in words is "one hundred thirty-one million, forty-one thousand, three hundred thirty-one".
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