Base | Representation |
---|---|
bin | 1011101010100110… |
… | …0000110011000111 |
3 | 22002020100212012002 |
4 | 2322221200303013 |
5 | 22403122210143 |
6 | 1234421415515 |
7 | 140412560402 |
oct | 27251406307 |
9 | 8066325162 |
10 | 3131444423 |
11 | 13676895a8 |
12 | 73486a59b |
13 | 3ab9b75c3 |
14 | 219c60d39 |
15 | 134daa5b8 |
hex | baa60cc7 |
3131444423 has 8 divisors (see below), whose sum is σ = 3172507200. Its totient is φ = 3090417408.
The previous prime is 3131444417. The next prime is 3131444431. The reversal of 3131444423 is 3244441313.
It is a happy number.
3131444423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 3131444423 - 212 = 3131440327 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 (3131444443) 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, 198515 + ... + 213707.
It is an arithmetic number, because the mean of its divisors is an integer number (396563400).
Almost surely, 23131444423 is an apocalyptic number.
3131444423 is a deficient number, since it is larger than the sum of its proper divisors (41062777).
3131444423 is a wasteful number, since it uses less digits than its factorization.
3131444423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17881.
The product of its digits is 13824, while the sum is 29.
The square root of 3131444423 is about 55959.3104228421. The cubic root of 3131444423 is about 1463.0131714420.
Adding to 3131444423 its reverse (3244441313), we get a palindrome (6375885736).
The spelling of 3131444423 in words is "three billion, one hundred thirty-one million, four hundred forty-four thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •