Base | Representation |
---|---|
bin | 111101000011000111… |
… | …1011001011110010001 |
3 | 110112101200001010012222 |
4 | 1322012033121132101 |
5 | 4121443401433241 |
6 | 140121013430425 |
7 | 12320544555515 |
oct | 1720617313621 |
9 | 415350033188 |
10 | 131101202321 |
11 | 506662357a1 |
12 | 214a963b415 |
13 | c49408683b |
14 | 64b983c145 |
15 | 3624885a4b |
hex | 1e863d9791 |
131101202321 has 8 divisors (see below), whose sum is σ = 134349768384. Its totient is φ = 127890631440.
The previous prime is 131101202273. The next prime is 131101202359. The reversal of 131101202321 is 123202101131.
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 131101202321 - 222 = 131097008017 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 131101202321.
It is not an unprimeable number, because it can be changed into a prime (131101202381) 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, 9491810 + ... + 9505611.
It is an arithmetic number, because the mean of its divisors is an integer number (16793721048).
Almost surely, 2131101202321 is an apocalyptic number.
It is an amenable number.
131101202321 is a deficient number, since it is larger than the sum of its proper divisors (3248566063).
131101202321 is a wasteful number, since it uses less digits than its factorization.
131101202321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18997591.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 131101202321 its reverse (123202101131), we get a palindrome (254303303452).
The spelling of 131101202321 in words is "one hundred thirty-one billion, one hundred one million, two hundred two thousand, three hundred twenty-one".
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