Base | Representation |
---|---|
bin | 11100111001100111… |
… | …000001010000001010 |
3 | 2222002121212102120021 |
4 | 130321213001100022 |
5 | 1002023003114010 |
6 | 22131112251054 |
7 | 2145661464454 |
oct | 347147012012 |
9 | 88077772507 |
10 | 31031301130 |
11 | 121843a6915 |
12 | 60203a0a8a |
13 | 2c06c4155b |
14 | 17053c32d4 |
15 | c1943e8da |
hex | 7399c140a |
31031301130 has 8 divisors (see below), whose sum is σ = 55856342052. Its totient is φ = 12412520448.
The previous prime is 31031301127. The next prime is 31031301149. The reversal of 31031301130 is 3110313013.
It can be written as a sum of positive squares in 2 ways, for example, as 26408525049 + 4622776081 = 162507^2 + 67991^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551565047 + ... + 1551565066.
Almost surely, 231031301130 is an apocalyptic number.
31031301130 is a deficient number, since it is larger than the sum of its proper divisors (24825040922).
31031301130 is a wasteful number, since it uses less digits than its factorization.
31031301130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3103130120.
The product of its (nonzero) digits is 81, while the sum is 16.
Adding to 31031301130 its reverse (3110313013), we get a palindrome (34141614143).
The spelling of 31031301130 in words is "thirty-one billion, thirty-one million, three hundred one thousand, one hundred thirty".
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