Base | Representation |
---|---|
bin | 11101000100100000… |
… | …010101111000101011 |
3 | 2222120100211120111012 |
4 | 131010200111320223 |
5 | 1002411302200021 |
6 | 22201202254135 |
7 | 2153341321013 |
oct | 350440257053 |
9 | 88510746435 |
10 | 31214100011 |
11 | 12268600376 |
12 | 607165734b |
13 | 2c35a85383 |
14 | 17217a8c43 |
15 | c2a4ec35b |
hex | 744815e2b |
31214100011 has 6 divisors (see below), whose sum is σ = 32943413412. Its totient is φ = 29571252300.
The previous prime is 31214099947. The next prime is 31214100017. The reversal of 31214100011 is 11000141213.
It is not a de Polignac number, because 31214100011 - 26 = 31214099947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31214100017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43232465 + ... + 43233186.
It is an arithmetic number, because the mean of its divisors is an integer number (5490568902).
Almost surely, 231214100011 is an apocalyptic number.
31214100011 is a deficient number, since it is larger than the sum of its proper divisors (1729313401).
31214100011 is an equidigital number, since it uses as much as digits as its factorization.
31214100011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86465689 (or 86465670 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 31214100011 its reverse (11000141213), we get a palindrome (42214241224).
The spelling of 31214100011 in words is "thirty-one billion, two hundred fourteen million, one hundred thousand, eleven".
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