Base | Representation |
---|---|
bin | 100111010101… |
… | …100111000011 |
3 | 201101220120210 |
4 | 213111213003 |
5 | 10114442011 |
6 | 1005005203 |
7 | 153436344 |
oct | 47254703 |
9 | 21356523 |
10 | 10312131 |
11 | 5903725 |
12 | 3553803 |
13 | 21a096b |
14 | 15260cb |
15 | d8a6a6 |
hex | 9d59c3 |
10312131 has 8 divisors (see below), whose sum is σ = 14069440. Its totient is φ = 6714792.
The previous prime is 10312123. The next prime is 10312147. The reversal of 10312131 is 13121301.
10312131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10312131 - 23 = 10312123 is a prime.
It is a super-2 number, since 2×103121312 = 212680091522322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10312121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39841 + ... + 40098.
It is an arithmetic number, because the mean of its divisors is an integer number (1758680).
Almost surely, 210312131 is an apocalyptic number.
10312131 is a deficient number, since it is larger than the sum of its proper divisors (3757309).
10312131 is an equidigital number, since it uses as much as digits as its factorization.
10312131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79985.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 10312131 is about 3211.2506909302. The cubic root of 10312131 is about 217.6620961022.
Adding to 10312131 its reverse (13121301), we get a palindrome (23433432).
The spelling of 10312131 in words is "ten million, three hundred twelve thousand, one hundred thirty-one".
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