Base | Representation |
---|---|
bin | 11100111001100010… |
… | …000100001010001001 |
3 | 2222002112102102220221 |
4 | 130321202010022021 |
5 | 1002022140033223 |
6 | 22131024350041 |
7 | 2145644445022 |
oct | 347142041211 |
9 | 88075372827 |
10 | 31030002313 |
11 | 1218369a012 |
12 | 601ba75321 |
13 | 2c068a831b |
14 | 1705165c49 |
15 | c19284b5d |
hex | 739884289 |
31030002313 has 8 divisors (see below), whose sum is σ = 31159948032. Its totient is φ = 30900186096.
The previous prime is 31030002253. The next prime is 31030002317. The reversal of 31030002313 is 31320003013.
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 31030002313 - 217 = 31029871241 is a prime.
It is a super-2 number, since 2×310300023132 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31030002317) 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, 463656 + ... + 526342.
It is an arithmetic number, because the mean of its divisors is an integer number (3894993504).
Almost surely, 231030002313 is an apocalyptic number.
It is an amenable number.
31030002313 is a deficient number, since it is larger than the sum of its proper divisors (129945719).
31030002313 is a wasteful number, since it uses less digits than its factorization.
31030002313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64751.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 31030002313 its reverse (31320003013), we get a palindrome (62350005326).
The spelling of 31030002313 in words is "thirty-one billion, thirty million, two thousand, three hundred thirteen".
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