Base | Representation |
---|---|
bin | 1011101010100010… |
… | …1101001111001110 |
3 | 22002012222010111010 |
4 | 2322220231033032 |
5 | 22403043430410 |
6 | 1234413110050 |
7 | 140411020566 |
oct | 27250551716 |
9 | 8065863433 |
10 | 3131233230 |
11 | 1367554964 |
12 | 734788326 |
13 | 3ab942438 |
14 | 219c07da6 |
15 | 134d67c20 |
hex | baa2d3ce |
3131233230 has 32 divisors (see below), whose sum is σ = 7957017504. Its totient is φ = 785878016.
The previous prime is 3131233199. The next prime is 3131233249. The reversal of 3131233230 is 323321313.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3131233197 and 3131233206.
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, 3069327 + ... + 3070346.
It is an arithmetic number, because the mean of its divisors is an integer number (248656797).
Almost surely, 23131233230 is an apocalyptic number.
3131233230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3131233230 is an abundant number, since it is smaller than the sum of its proper divisors (4825784274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131233230 is a wasteful number, since it uses less digits than its factorization.
3131233230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6139700.
The product of its (nonzero) digits is 972, while the sum is 21.
The square root of 3131233230 is about 55957.4233681287. The cubic root of 3131233230 is about 1462.9802808602.
Adding to 3131233230 its reverse (323321313), we get a palindrome (3454554543).
The spelling of 3131233230 in words is "three billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred thirty".
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