Base | Representation |
---|---|
bin | 11101001011000000… |
… | …111010000111011011 |
3 | 2222211222022112010220 |
4 | 131023000322013123 |
5 | 1003122231102230 |
6 | 22220103011123 |
7 | 2156135442156 |
oct | 351300720733 |
9 | 88758275126 |
10 | 31323300315 |
11 | 1231420615a |
12 | 60a2139aa3 |
13 | 2c5259a738 |
14 | 17320b2c9d |
15 | c34dbcd10 |
hex | 74b03a1db |
31323300315 has 16 divisors (see below), whose sum is σ = 50865301248. Its totient is φ = 16456419936.
The previous prime is 31323300313. The next prime is 31323300331. The reversal of 31323300315 is 51300332313.
It is not a de Polignac number, because 31323300315 - 21 = 31323300313 is a prime.
It is a super-2 number, since 2×313233003152 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31323300313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15582727 + ... + 15584736.
It is an arithmetic number, because the mean of its divisors is an integer number (3179081328).
Almost surely, 231323300315 is an apocalyptic number.
31323300315 is a deficient number, since it is larger than the sum of its proper divisors (19542000933).
31323300315 is a wasteful number, since it uses less digits than its factorization.
31323300315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31167538.
The product of its (nonzero) digits is 2430, while the sum is 24.
Adding to 31323300315 its reverse (51300332313), we get a palindrome (82623632628).
The spelling of 31323300315 in words is "thirty-one billion, three hundred twenty-three million, three hundred thousand, three hundred fifteen".
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