Base | Representation |
---|---|
bin | 111101001001011000… |
… | …0111100011101111001 |
3 | 110112221022102100121101 |
4 | 1322102300330131321 |
5 | 4122411144314001 |
6 | 140153521211401 |
7 | 12326005554325 |
oct | 1722260743571 |
9 | 415838370541 |
10 | 131311323001 |
11 | 50763900551 |
12 | 21547a90b61 |
13 | c4c87755c1 |
14 | 64d96d6985 |
15 | 363803da01 |
hex | 1e92c3c779 |
131311323001 has 8 divisors (see below), whose sum is σ = 131773481280. Its totient is φ = 130849873968.
The previous prime is 131311322977. The next prime is 131311323037. The reversal of 131311323001 is 100323113131.
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 131311323001 - 29 = 131311322489 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 131311323001.
It is not an unprimeable number, because it can be changed into a prime (131311333001) 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, 194995 + ... + 548311.
It is an arithmetic number, because the mean of its divisors is an integer number (16471685160).
Almost surely, 2131311323001 is an apocalyptic number.
It is an amenable number.
131311323001 is a deficient number, since it is larger than the sum of its proper divisors (462158279).
131311323001 is an equidigital number, since it uses as much as digits as its factorization.
131311323001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354623.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 131311323001 its reverse (100323113131), we get a palindrome (231634436132).
The spelling of 131311323001 in words is "one hundred thirty-one billion, three hundred eleven million, three hundred twenty-three thousand, one".
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