Base | Representation |
---|---|
bin | 11100111101101101… |
… | …111001010001001110 |
3 | 2222021102112110220220 |
4 | 130331231321101032 |
5 | 1002143123243202 |
6 | 22142013252210 |
7 | 2150456304615 |
oct | 347555712116 |
9 | 88242473826 |
10 | 31100212302 |
11 | 1220a2938a5 |
12 | 603b494066 |
13 | 2c182bb5b3 |
14 | 171060087c |
15 | c20502abc |
hex | 73db7944e |
31100212302 has 8 divisors (see below), whose sum is σ = 62200424616. Its totient is φ = 10366737432.
The previous prime is 31100212279. The next prime is 31100212309. The reversal of 31100212302 is 20321200113.
It is a sphenic number, since it is the product of 3 distinct primes.
31100212302 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31100212309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591684353 + ... + 2591684364.
It is an arithmetic number, because the mean of its divisors is an integer number (7775053077).
Almost surely, 231100212302 is an apocalyptic number.
31100212302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31100212302 is a wasteful number, since it uses less digits than its factorization.
31100212302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5183368722.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 31100212302 its reverse (20321200113), we get a palindrome (51421412415).
The spelling of 31100212302 in words is "thirty-one billion, one hundred million, two hundred twelve thousand, three hundred two".
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