Base | Representation |
---|---|
bin | 1110010010101110111111… |
… | …10101010110100011010001 |
3 | 11010021200101220022221001122 |
4 | 13021113133311112203101 |
5 | 13104422200414310001 |
6 | 150502431254412025 |
7 | 6422513316411251 |
oct | 711273765264321 |
9 | 133250356287048 |
10 | 31430031010001 |
11 | a018446142678 |
12 | 3637425961015 |
13 | 146caba977b10 |
14 | 7a9316193961 |
15 | 39787963ab1b |
hex | 1c95dfd568d1 |
31430031010001 has 32 divisors (see below), whose sum is σ = 34306323932160. Its totient is φ = 28622482415424.
The previous prime is 31430031009989. The next prime is 31430031010019. The reversal of 31430031010001 is 10001013003413.
It is not a de Polignac number, because 31430031010001 - 210 = 31430031008977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31430031010051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203165186 + ... + 203319828.
It is an arithmetic number, because the mean of its divisors is an integer number (1072072622880).
Almost surely, 231430031010001 is an apocalyptic number.
It is an amenable number.
31430031010001 is a deficient number, since it is larger than the sum of its proper divisors (2876292922159).
31430031010001 is a wasteful number, since it uses less digits than its factorization.
31430031010001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155525.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 31430031010001 its reverse (10001013003413), we get a palindrome (41431044013414).
The spelling of 31430031010001 in words is "thirty-one trillion, four hundred thirty billion, thirty-one million, ten thousand, one".
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