Base | Representation |
---|---|
bin | 11100110111111011… |
… | …000100010101110110 |
3 | 2222000122121200202212 |
4 | 130313323010111312 |
5 | 1001443232032410 |
6 | 22124221533422 |
7 | 2145166112414 |
oct | 346773042566 |
9 | 88018550685 |
10 | 31003002230 |
11 | 1216a4284a2 |
12 | 6012a14272 |
13 | 2c01113945 |
14 | 17017382b4 |
15 | c16beeb05 |
hex | 737ec4576 |
31003002230 has 32 divisors (see below), whose sum is σ = 55931035680. Its totient is φ = 12373320960.
The previous prime is 31003002227. The next prime is 31003002263. The reversal of 31003002230 is 3220030013.
It is a super-2 number, since 2×310030022302 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12720572 + ... + 12723008.
It is an arithmetic number, because the mean of its divisors is an integer number (1747844865).
Almost surely, 231003002230 is an apocalyptic number.
31003002230 is a deficient number, since it is larger than the sum of its proper divisors (24928033450).
31003002230 is a wasteful number, since it uses less digits than its factorization.
31003002230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4784.
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 31003002230 its reverse (3220030013), we get a palindrome (34223032243).
The spelling of 31003002230 in words is "thirty-one billion, three million, two thousand, two hundred thirty".
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