Base | Representation |
---|---|
bin | 11100111101101110… |
… | …010001111011100001 |
3 | 2222021102201121111001 |
4 | 130331232101323201 |
5 | 1002143140011223 |
6 | 22142015352001 |
7 | 2150460205246 |
oct | 347556217341 |
9 | 88242647431 |
10 | 31100313313 |
11 | 1220a352783 |
12 | 603b522601 |
13 | 2c18325574 |
14 | 17106295cd |
15 | c205229ad |
hex | 73db91ee1 |
31100313313 has 8 divisors (see below), whose sum is σ = 32175578880. Its totient is φ = 30025237200.
The previous prime is 31100313287. The next prime is 31100313353. The reversal of 31100313313 is 31331300113.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31100313313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31100313353) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340606 + ... + 422152.
It is an arithmetic number, because the mean of its divisors is an integer number (4021947360).
Almost surely, 231100313313 is an apocalyptic number.
It is an amenable number.
31100313313 is a deficient number, since it is larger than the sum of its proper divisors (1075265567).
31100313313 is a wasteful number, since it uses less digits than its factorization.
31100313313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94727.
The product of its (nonzero) digits is 243, while the sum is 19.
Adding to 31100313313 its reverse (31331300113), we get a palindrome (62431613426).
The spelling of 31100313313 in words is "thirty-one billion, one hundred million, three hundred thirteen thousand, three hundred thirteen".
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