Base | Representation |
---|---|
bin | 1110001010000010001100… |
… | …10110010000010000101101 |
3 | 11002020002211002220210220101 |
4 | 13011001012112100100231 |
5 | 13040022444404402201 |
6 | 150113233102151101 |
7 | 6362101521065056 |
oct | 705010626202055 |
9 | 132202732823811 |
10 | 31131103200301 |
11 | 9a12699196865 |
12 | 35a94bb582491 |
13 | 144a85c010b50 |
14 | 798a795d172d |
15 | 38ebd116cd01 |
hex | 1c504659042d |
31131103200301 has 8 divisors (see below), whose sum is σ = 33528004526520. Its totient is φ = 28734516314112.
The previous prime is 31131103200293. The next prime is 31131103200317. The reversal of 31131103200301 is 10300230113113.
It can be written as a sum of positive squares in 4 ways, for example, as 178737855076 + 30952365345225 = 422774^2 + 5563485^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31131103200301 - 23 = 31131103200293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31131103201301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78404356 + ... + 78800413.
It is an arithmetic number, because the mean of its divisors is an integer number (4191000565815).
Almost surely, 231131103200301 is an apocalyptic number.
It is an amenable number.
31131103200301 is a deficient number, since it is larger than the sum of its proper divisors (2396901326219).
31131103200301 is a wasteful number, since it uses less digits than its factorization.
31131103200301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157220015.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 31131103200301 its reverse (10300230113113), we get a palindrome (41431333313414).
The spelling of 31131103200301 in words is "thirty-one trillion, one hundred thirty-one billion, one hundred three million, two hundred thousand, three hundred one".
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