Base | Representation |
---|---|
bin | 11101000100010001… |
… | …001000110010100011 |
3 | 2222120002100001222222 |
4 | 131010101020302203 |
5 | 1002404242123321 |
6 | 22200541021255 |
7 | 2153262410423 |
oct | 350421106243 |
9 | 88502301888 |
10 | 31210114211 |
11 | 12266328821 |
12 | 607025482b |
13 | 2c34cbb103 |
14 | 172104c483 |
15 | c29eb13ab |
hex | 744448ca3 |
31210114211 has 2 divisors, whose sum is σ = 31210114212. Its totient is φ = 31210114210.
The previous prime is 31210114129. The next prime is 31210114217. The reversal of 31210114211 is 11241101213.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31210114211 - 214 = 31210097827 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31210114211.
It is not a weakly prime, because it can be changed into another prime (31210114217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15605057105 + 15605057106.
It is an arithmetic number, because the mean of its divisors is an integer number (15605057106).
Almost surely, 231210114211 is an apocalyptic number.
31210114211 is a deficient number, since it is larger than the sum of its proper divisors (1).
31210114211 is an equidigital number, since it uses as much as digits as its factorization.
31210114211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 31210114211 its reverse (11241101213), we get a palindrome (42451215424).
The spelling of 31210114211 in words is "thirty-one billion, two hundred ten million, one hundred fourteen thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •