Base | Representation |
---|---|
bin | 101110001011111011100101… |
… | …010110101101010101001011 |
3 | 222122020001010010121100100100 |
4 | 232023323211112231111023 |
5 | 203111040300443413311 |
6 | 2000004351553340443 |
7 | 60533442351646410 |
oct | 5613734526552513 |
9 | 878201103540310 |
10 | 203130031232331 |
11 | 597a5a650504a5 |
12 | 1a947b64567723 |
13 | 89461062aa478 |
14 | 38237901d6107 |
15 | 1873d29265a56 |
hex | b8bee55ad54b |
203130031232331 has 48 divisors (see below), whose sum is σ = 340940585911744. Its totient is φ = 114145955868672.
The previous prime is 203130031232327. The next prime is 203130031232341. The reversal of 203130031232331 is 133232130031302.
203130031232331 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 300 + 3 + 1 + 2 + 323 + 31 = 666.
It is not a de Polignac number, because 203130031232331 - 22 = 203130031232327 is a prime.
It is a super-2 number, since 2×2031300312323312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 203130031232295 and 203130031232304.
It is not an unprimeable number, because it can be changed into a prime (203130031232311) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104900650 + ... + 106819503.
Almost surely, 2203130031232331 is an apocalyptic number.
203130031232331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
203130031232331 is a deficient number, since it is larger than the sum of its proper divisors (137810554679413).
203130031232331 is a wasteful number, since it uses less digits than its factorization.
203130031232331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211720420 (or 211720417 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 203130031232331 its reverse (133232130031302), we get a palindrome (336362161263633).
The spelling of 203130031232331 in words is "two hundred three trillion, one hundred thirty billion, thirty-one million, two hundred thirty-two thousand, three hundred thirty-one".
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