Base | Representation |
---|---|
bin | 10011000110001011001… |
… | …100000110101010100011 |
3 | 11122110021110101221112112 |
4 | 103012023030012222203 |
5 | 133000042324400311 |
6 | 2442510140145535 |
7 | 163545010630205 |
oct | 23061314065243 |
9 | 4573243357475 |
10 | 1312300231331 |
11 | 4665a82a6031 |
12 | 1923ba8382ab |
13 | 9699850b12b |
14 | 47730dda775 |
15 | 24208bed28b |
hex | 1318b306aa3 |
1312300231331 has 8 divisors (see below), whose sum is σ = 1369378312224. Its totient is φ = 1255223946240.
The previous prime is 1312300231201. The next prime is 1312300231349. The reversal of 1312300231331 is 1331320032131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312300231331 - 218 = 1312299969187 is a prime.
It is a super-2 number, since 2×13123002313312 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a junction number, because it is equal to n+sod(n) for n = 1312300231297 and 1312300231306.
It is not an unprimeable number, because it can be changed into a prime (1312300231391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168355 + ... + 1997411.
It is an arithmetic number, because the mean of its divisors is an integer number (171172289028).
Almost surely, 21312300231331 is an apocalyptic number.
1312300231331 is a deficient number, since it is larger than the sum of its proper divisors (57078080893).
1312300231331 is an equidigital number, since it uses as much as digits as its factorization.
1312300231331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 897901.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 1312300231331 its reverse (1331320032131), we get a palindrome (2643620263462).
The spelling of 1312300231331 in words is "one trillion, three hundred twelve billion, three hundred million, two hundred thirty-one thousand, three hundred thirty-one".
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