Base | Representation |
---|---|
bin | 11101001010010011… |
… | …001010110100010110 |
3 | 2222211010202100122221 |
4 | 131022103022310112 |
5 | 1003111143410402 |
6 | 22214554012554 |
7 | 2155631513242 |
oct | 351223126426 |
9 | 88733670587 |
10 | 31311310102 |
11 | 12308466796 |
12 | 609a11715a |
13 | 2c4cc60037 |
14 | 1730671422 |
15 | c33d00337 |
hex | 74a4cad16 |
31311310102 has 8 divisors (see below), whose sum is σ = 46977502176. Its totient is φ = 15652142712.
The previous prime is 31311310033. The next prime is 31311310111. The reversal of 31311310102 is 20101311313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1745013 + ... + 1762864.
It is an arithmetic number, because the mean of its divisors is an integer number (5872187772).
Almost surely, 231311310102 is an apocalyptic number.
31311310102 is a deficient number, since it is larger than the sum of its proper divisors (15666192074).
31311310102 is a wasteful number, since it uses less digits than its factorization.
31311310102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3512342.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 31311310102 its reverse (20101311313), we get a palindrome (51412621415).
The spelling of 31311310102 in words is "thirty-one billion, three hundred eleven million, three hundred ten thousand, one hundred two".
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