Base | Representation |
---|---|
bin | 11101010001011000… |
… | …010101010001000101 |
3 | 10000010102021201102212 |
4 | 131101120111101011 |
5 | 1003332101313013 |
6 | 22234440113205 |
7 | 2161603322441 |
oct | 352130252105 |
9 | 100112251385 |
10 | 31430104133 |
11 | 1236952447a |
12 | 6111a65805 |
13 | 2c6b75406c |
14 | 1742355821 |
15 | c3e4686a8 |
hex | 751615445 |
31430104133 has 16 divisors (see below), whose sum is σ = 33701068800. Its totient is φ = 29224586160.
The previous prime is 31430104117. The next prime is 31430104151. The reversal of 31430104133 is 33140103413.
It is a cyclic number.
It is not a de Polignac number, because 31430104133 - 24 = 31430104117 is a prime.
It is a super-2 number, since 2×314301041332 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31430104099 and 31430104108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31430104163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248588 + ... + 353066.
It is an arithmetic number, because the mean of its divisors is an integer number (2106316800).
Almost surely, 231430104133 is an apocalyptic number.
It is an amenable number.
31430104133 is a deficient number, since it is larger than the sum of its proper divisors (2270964667).
31430104133 is a wasteful number, since it uses less digits than its factorization.
31430104133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104792.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31430104133 its reverse (33140103413), we get a palindrome (64570207546).
The spelling of 31430104133 in words is "thirty-one billion, four hundred thirty million, one hundred four thousand, one hundred thirty-three".
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