Base | Representation |
---|---|
bin | 111101001001101001… |
… | …0001000000100110101 |
3 | 110112221220210021102122 |
4 | 1322103102020010311 |
5 | 4122420411140201 |
6 | 140154431445325 |
7 | 12326142522650 |
oct | 1722322100465 |
9 | 415856707378 |
10 | 131320021301 |
11 | 50768801727 |
12 | 2154a986845 |
13 | c4ca4cc821 |
14 | 64da91c897 |
15 | 3638baae1b |
hex | 1e93488135 |
131320021301 has 8 divisors (see below), whose sum is σ = 150087206400. Its totient is φ = 112554631728.
The previous prime is 131320021279. The next prime is 131320021337. The reversal of 131320021301 is 103120023131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131320021301 - 234 = 114140152117 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131320021301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131320021201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288326 + ... + 588023.
It is an arithmetic number, because the mean of its divisors is an integer number (18760900800).
Almost surely, 2131320021301 is an apocalyptic number.
It is an amenable number.
131320021301 is a deficient number, since it is larger than the sum of its proper divisors (18767185099).
131320021301 is an equidigital number, since it uses as much as digits as its factorization.
131320021301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 897763.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 131320021301 its reverse (103120023131), we get a palindrome (234440044432).
The spelling of 131320021301 in words is "one hundred thirty-one billion, three hundred twenty million, twenty-one thousand, three hundred one".
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