Base | Representation |
---|---|
bin | 111101001001111110… |
… | …0000010111100010001 |
3 | 110112222200110120112101 |
4 | 1322103330002330101 |
5 | 4122431214312241 |
6 | 140155503200401 |
7 | 12326335111630 |
oct | 1722374027421 |
9 | 415880416471 |
10 | 131331010321 |
11 | 50773a27965 |
12 | 215525a6101 |
13 | c4cc8795c4 |
14 | 64dc17d517 |
15 | 3639b2be31 |
hex | 1e93f02f11 |
131331010321 has 8 divisors (see below), whose sum is σ = 156618347904. Its totient is φ = 107675113920.
The previous prime is 131331010319. The next prime is 131331010339. The reversal of 131331010321 is 123010133131.
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 131331010321 - 21 = 131331010319 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131331010301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407860120 + ... + 407860441.
It is an arithmetic number, because the mean of its divisors is an integer number (19577293488).
Almost surely, 2131331010321 is an apocalyptic number.
It is an amenable number.
131331010321 is a deficient number, since it is larger than the sum of its proper divisors (25287337583).
131331010321 is an equidigital number, since it uses as much as digits as its factorization.
131331010321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 815720591.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 131331010321 its reverse (123010133131), we get a palindrome (254341143452).
The spelling of 131331010321 in words is "one hundred thirty-one billion, three hundred thirty-one million, ten thousand, three hundred twenty-one".
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