Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1111101100101111 |
3 | 12202111211121000212 |
4 | 2011000033230233 |
5 | 14032221342111 |
6 | 1005231213035 |
7 | 106203606401 |
oct | 20500175457 |
9 | 5674747025 |
10 | 2231434031 |
11 | a4564a462 |
12 | 52337717b |
13 | 2973b9288 |
14 | 172500b71 |
15 | d0d7a98b |
hex | 8500fb2f |
2231434031 has 4 divisors (see below), whose sum is σ = 2232893064. Its totient is φ = 2229975000.
The previous prime is 2231434021. The next prime is 2231434057. The reversal of 2231434031 is 1304341322.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2231434031 - 210 = 2231433007 is a prime.
It is a super-3 number, since 3×22314340313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2231433988 and 2231434006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231434021) 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, 727220 + ... + 730281.
It is an arithmetic number, because the mean of its divisors is an integer number (558223266).
Almost surely, 22231434031 is an apocalyptic number.
2231434031 is a deficient number, since it is larger than the sum of its proper divisors (1459033).
2231434031 is a wasteful number, since it uses less digits than its factorization.
2231434031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1459032.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 2231434031 is about 47238.0570197378. The cubic root of 2231434031 is about 1306.7565451750.
Adding to 2231434031 its reverse (1304341322), we get a palindrome (3535775353).
The spelling of 2231434031 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, thirty-one".
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