Base | Representation |
---|---|
bin | 1110001010011000100010… |
… | …11111001001101010010001 |
3 | 11002021020210021100110222012 |
4 | 13011030101133021222101 |
5 | 13040222032404221001 |
6 | 150122535421552305 |
7 | 6363005036544350 |
oct | 705142137115221 |
9 | 132236707313865 |
10 | 31143101242001 |
11 | 9a17795830101 |
12 | 35ab8a9715695 |
13 | 144ba2193b1c8 |
14 | 799496c5d997 |
15 | 3901846532bb |
hex | 1c53117c9a91 |
31143101242001 has 16 divisors (see below), whose sum is σ = 38143371949824. Its totient is φ = 24843380405184.
The previous prime is 31143101241979. The next prime is 31143101242003. The reversal of 31143101242001 is 10024210134113.
It is a cyclic number.
It is not a de Polignac number, because 31143101242001 - 242 = 26745054730897 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31143101242003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2613986090 + ... + 2613998003.
It is an arithmetic number, because the mean of its divisors is an integer number (2383960746864).
Almost surely, 231143101242001 is an apocalyptic number.
It is an amenable number.
31143101242001 is a deficient number, since it is larger than the sum of its proper divisors (7000270707823).
31143101242001 is a wasteful number, since it uses less digits than its factorization.
31143101242001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5227984160.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 31143101242001 its reverse (10024210134113), we get a palindrome (41167311376114).
The spelling of 31143101242001 in words is "thirty-one trillion, one hundred forty-three billion, one hundred one million, two hundred forty-two thousand, one".
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