Base | Representation |
---|---|
bin | 11101000100010000… |
… | …110110111010101001 |
3 | 2222120002012100120111 |
4 | 131010100312322221 |
5 | 1002404232303001 |
6 | 22200535254321 |
7 | 2153261654116 |
oct | 350420667251 |
9 | 88502170514 |
10 | 31210041001 |
11 | 12266288817 |
12 | 607021a3a1 |
13 | 2c34c939a9 |
14 | 172102d90d |
15 | c29e99851 |
hex | 744436ea9 |
31210041001 has 16 divisors (see below), whose sum is σ = 32139405760. Its totient is φ = 30290319360.
The previous prime is 31210040993. The next prime is 31210041017. The reversal of 31210041001 is 10014001213.
It is a cyclic number.
It is not a de Polignac number, because 31210041001 - 23 = 31210040993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31210041301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9367906 + ... + 9371236.
It is an arithmetic number, because the mean of its divisors is an integer number (2008712860).
Almost surely, 231210041001 is an apocalyptic number.
It is an amenable number.
31210041001 is a deficient number, since it is larger than the sum of its proper divisors (929364759).
31210041001 is a wasteful number, since it uses less digits than its factorization.
31210041001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4696.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 31210041001 its reverse (10014001213), we get a palindrome (41224042214).
The spelling of 31210041001 in words is "thirty-one billion, two hundred ten million, forty-one thousand, one".
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