Base | Representation |
---|---|
bin | 1000010011110000… |
… | …0000011101010111 |
3 | 12202102202011000201 |
4 | 2010330000131113 |
5 | 14031430314111 |
6 | 1005151321331 |
7 | 106161301336 |
oct | 20474003527 |
9 | 5672664021 |
10 | 2230323031 |
11 | a44a60782 |
12 | 522b20247 |
13 | 2970ba691 |
14 | 1722d1d1d |
15 | d0c0b6c1 |
hex | 84f00757 |
2230323031 has 4 divisors (see below), whose sum is σ = 2234400952. Its totient is φ = 2226245112.
The previous prime is 2230323019. The next prime is 2230323059. The reversal of 2230323031 is 1303230322.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303230322 = 2 ⋅651615161.
It is a cyclic number.
It is not a de Polignac number, because 2230323031 - 215 = 2230290263 is a prime.
It is a super-2 number, since 2×22303230312 = 9948681645218053922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2230323061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038140 + ... + 2039233.
It is an arithmetic number, because the mean of its divisors is an integer number (558600238).
Almost surely, 22230323031 is an apocalyptic number.
2230323031 is a deficient number, since it is larger than the sum of its proper divisors (4077921).
2230323031 is an equidigital number, since it uses as much as digits as its factorization.
2230323031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4077920.
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 2230323031 is about 47226.2959695126. The cubic root of 2230323031 is about 1306.5396371967.
Adding to 2230323031 its reverse (1303230322), we get a palindrome (3533553353).
The spelling of 2230323031 in words is "two billion, two hundred thirty million, three hundred twenty-three thousand, thirty-one".
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