Base | Representation |
---|---|
bin | 11101001100101000001… |
… | …10001100010011111111 |
3 | 10112220110120102111222201 |
4 | 32212110012030103333 |
5 | 112414034234444411 |
6 | 2044511431252331 |
7 | 132323346365404 |
oct | 16462406142377 |
9 | 3486416374881 |
10 | 1003212031231 |
11 | 357507046563 |
12 | 14251981a0a7 |
13 | 737aa88a637 |
14 | 367acc842ab |
15 | 1b16873e3c1 |
hex | e99418c4ff |
1003212031231 has 4 divisors (see below), whose sum is σ = 1003267174000. Its totient is φ = 1003156888464.
The previous prime is 1003212031229. The next prime is 1003212031243. The reversal of 1003212031231 is 1321302123001.
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 1003212031231 - 21 = 1003212031229 is a prime.
It is a super-2 number, since 2×10032120312312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1003212031199 and 1003212031208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1003212032231) 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, 27544086 + ... + 27580483.
It is an arithmetic number, because the mean of its divisors is an integer number (250816793500).
Almost surely, 21003212031231 is an apocalyptic number.
1003212031231 is a deficient number, since it is larger than the sum of its proper divisors (55142769).
1003212031231 is an equidigital number, since it uses as much as digits as its factorization.
1003212031231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55142768.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 1003212031231 its reverse (1321302123001), we get a palindrome (2324514154232).
The spelling of 1003212031231 in words is "one trillion, three billion, two hundred twelve million, thirty-one thousand, two hundred thirty-one".
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