Base | Representation |
---|---|
bin | 11100111000011010… |
… | …011101000111111011 |
3 | 2222001020002201102121 |
4 | 130320122131013323 |
5 | 1002002333331303 |
6 | 22125114142111 |
7 | 2145326051602 |
oct | 347032350773 |
9 | 88036081377 |
10 | 31011230203 |
11 | 12174038278 |
12 | 6015721937 |
13 | 2c02a34a75 |
14 | 170287aa39 |
15 | c177c79bd |
hex | 73869d1fb |
31011230203 has 8 divisors (see below), whose sum is σ = 32114324016. Its totient is φ = 29927320800.
The previous prime is 31011230197. The next prime is 31011230213. The reversal of 31011230203 is 30203211013.
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 31011230203 - 229 = 30474359291 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31011230213) 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, 4792813 + ... + 4799278.
It is an arithmetic number, because the mean of its divisors is an integer number (4014290502).
Almost surely, 231011230203 is an apocalyptic number.
31011230203 is a deficient number, since it is larger than the sum of its proper divisors (1103093813).
31011230203 is an equidigital number, since it uses as much as digits as its factorization.
31011230203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9592205.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31011230203 its reverse (30203211013), we get a palindrome (61214441216).
The spelling of 31011230203 in words is "thirty-one billion, eleven million, two hundred thirty thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •