Base | Representation |
---|---|
bin | 11100111001101110… |
… | …010000111001011011 |
3 | 2222002202102220121220 |
4 | 130321232100321123 |
5 | 1002023444401334 |
6 | 22131221103123 |
7 | 2146013564250 |
oct | 347156207133 |
9 | 88082386556 |
10 | 31033200219 |
11 | 1218548370a |
12 | 6020b57aa3 |
13 | 2c07457a88 |
14 | 1705759427 |
15 | c196b7449 |
hex | 739b90e5b |
31033200219 has 16 divisors (see below), whose sum is σ = 47292494592. Its totient is φ = 17731829088.
The previous prime is 31033200199. The next prime is 31033200221. The reversal of 31033200219 is 91200233013.
It is not a de Polignac number, because 31033200219 - 216 = 31033134683 is a prime.
It is a super-3 number, since 3×310332002193 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (31033200299) 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, 243277 + ... + 348209.
It is an arithmetic number, because the mean of its divisors is an integer number (2955780912).
Almost surely, 231033200219 is an apocalyptic number.
31033200219 is a deficient number, since it is larger than the sum of its proper divisors (16259294373).
31033200219 is a wasteful number, since it uses less digits than its factorization.
31033200219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119026.
The product of its (nonzero) digits is 972, while the sum is 24.
The spelling of 31033200219 in words is "thirty-one billion, thirty-three million, two hundred thousand, two hundred nineteen".
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