Base | Representation |
---|---|
bin | 11100111110011110… |
… | …101110101111100001 |
3 | 2222022022121212212210 |
4 | 130332132232233201 |
5 | 1002204412423431 |
6 | 22143151512333 |
7 | 2151003154221 |
oct | 347636565741 |
9 | 88268555783 |
10 | 31113014241 |
11 | 12216538111 |
12 | 60438286a9 |
13 | 2c1ab515ca |
14 | 17121b4081 |
15 | c216d0d46 |
hex | 73e7aebe1 |
31113014241 has 4 divisors (see below), whose sum is σ = 41484018992. Its totient is φ = 20742009492.
The previous prime is 31113014221. The next prime is 31113014243. The reversal of 31113014241 is 14241031113.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 31113014241 - 211 = 31113012193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31113014243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185502371 + ... + 5185502376.
It is an arithmetic number, because the mean of its divisors is an integer number (10371004748).
Almost surely, 231113014241 is an apocalyptic number.
It is an amenable number.
31113014241 is a deficient number, since it is larger than the sum of its proper divisors (10371004751).
31113014241 is a wasteful number, since it uses less digits than its factorization.
31113014241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10371004750.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 31113014241 its reverse (14241031113), we get a palindrome (45354045354).
The spelling of 31113014241 in words is "thirty-one billion, one hundred thirteen million, fourteen thousand, two hundred forty-one".
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