Base | Representation |
---|---|
bin | 11101000101101001… |
… | …010010100110111101 |
3 | 2222121200211010102210 |
4 | 131011221102212331 |
5 | 1002431201114401 |
6 | 22203124211033 |
7 | 2153663005323 |
oct | 350551224675 |
9 | 88550733383 |
10 | 31233223101 |
11 | 12278381883 |
12 | 6077b39a79 |
13 | 2c39a1c602 |
14 | 1724145d13 |
15 | c2c0284d6 |
hex | 745a529bd |
31233223101 has 8 divisors (see below), whose sum is σ = 41717488320. Its totient is φ = 20785553312.
The previous prime is 31233223069. The next prime is 31233223159. The reversal of 31233223101 is 10132233213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31233223101 - 25 = 31233223069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31233221101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9146865 + ... + 9150278.
It is an arithmetic number, because the mean of its divisors is an integer number (5214686040).
Almost surely, 231233223101 is an apocalyptic number.
It is an amenable number.
31233223101 is a deficient number, since it is larger than the sum of its proper divisors (10484265219).
31233223101 is a wasteful number, since it uses less digits than its factorization.
31233223101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18297715.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31233223101 its reverse (10132233213), we get a palindrome (41365456314).
The spelling of 31233223101 in words is "thirty-one billion, two hundred thirty-three million, two hundred twenty-three thousand, one hundred one".
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