Base | Representation |
---|---|
bin | 11100111000011010… |
… | …110101110010001110 |
3 | 2222001020021211222202 |
4 | 130320122311302032 |
5 | 1002002400044324 |
6 | 22125120241502 |
7 | 2145326652233 |
oct | 347032656216 |
9 | 88036254882 |
10 | 31011331214 |
11 | 121740a7156 |
12 | 6015770292 |
13 | 2c02a6ba36 |
14 | 17028a578a |
15 | c177e78ae |
hex | 7386b5c8e |
31011331214 has 8 divisors (see below), whose sum is σ = 46517884200. Its totient is φ = 15505369816.
The previous prime is 31011331199. The next prime is 31011331237. The reversal of 31011331214 is 41213311013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 22352 + ... + 250044.
It is an arithmetic number, because the mean of its divisors is an integer number (5814735525).
Almost surely, 231011331214 is an apocalyptic number.
31011331214 is a deficient number, since it is larger than the sum of its proper divisors (15506552986).
31011331214 is a wasteful number, since it uses less digits than its factorization.
31011331214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295794.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 31011331214 its reverse (41213311013), we get a palindrome (72224642227).
The spelling of 31011331214 in words is "thirty-one billion, eleven million, three hundred thirty-one thousand, two hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •