Base | Representation |
---|---|
bin | 11101000101101001… |
… | …010010100111100101 |
3 | 2222121200211010111021 |
4 | 131011221102213211 |
5 | 1002431201120031 |
6 | 22203124211141 |
7 | 2153663005411 |
oct | 350551224745 |
9 | 88550733437 |
10 | 31233223141 |
11 | 1227838190a |
12 | 6077b39ab1 |
13 | 2c39a1c633 |
14 | 1724145d41 |
15 | c2c028511 |
hex | 745a529e5 |
31233223141 has 8 divisors (see below), whose sum is σ = 31833648000. Its totient is φ = 30633210192.
The previous prime is 31233223069. The next prime is 31233223159. The reversal of 31233223141 is 14132233213.
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 31233223141 - 223 = 31224834533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31233223741) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52360 + ... + 255358.
It is an arithmetic number, because the mean of its divisors is an integer number (3979206000).
Almost surely, 231233223141 is an apocalyptic number.
It is an amenable number.
31233223141 is a deficient number, since it is larger than the sum of its proper divisors (600424859).
31233223141 is a wasteful number, since it uses less digits than its factorization.
31233223141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205955.
The product of its digits is 2592, while the sum is 25.
Adding to 31233223141 its reverse (14132233213), we get a palindrome (45365456354).
The spelling of 31233223141 in words is "thirty-one billion, two hundred thirty-three million, two hundred twenty-three thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •