Base | Representation |
---|---|
bin | 11100110111111011… |
… | …000110001111011011 |
3 | 2222000122122002110001 |
4 | 130313323012033123 |
5 | 1001443232310021 |
6 | 22124222033431 |
7 | 2145166144201 |
oct | 346773061733 |
9 | 88018562401 |
10 | 31003010011 |
11 | 1216a433326 |
12 | 6012a18877 |
13 | 2c0111734c |
14 | 170173b071 |
15 | c16c02091 |
hex | 737ec63db |
31003010011 has 8 divisors (see below), whose sum is σ = 34053649920. Its totient is φ = 28094260392.
The previous prime is 31003009979. The next prime is 31003010033. The reversal of 31003010011 is 11001030013.
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 31003010011 - 25 = 31003009979 is a prime.
It is a super-2 number, since 2×310030100112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31003010011.
It is not an unprimeable number, because it can be changed into a prime (31003014011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35472115 + ... + 35472988.
It is an arithmetic number, because the mean of its divisors is an integer number (4256706240).
Almost surely, 231003010011 is an apocalyptic number.
31003010011 is a deficient number, since it is larger than the sum of its proper divisors (3050639909).
31003010011 is a wasteful number, since it uses less digits than its factorization.
31003010011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70945145.
The product of its (nonzero) digits is 9, while the sum is 10.
Adding to 31003010011 its reverse (11001030013), we get a palindrome (42004040024).
The spelling of 31003010011 in words is "thirty-one billion, three million, ten thousand, eleven".
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