Base | Representation |
---|---|
bin | 111101001001001000… |
… | …1010100011000000001 |
3 | 110112220201211010221011 |
4 | 1322102101110120001 |
5 | 4122402034013241 |
6 | 140153023400521 |
7 | 12325545234256 |
oct | 1722221243001 |
9 | 415821733834 |
10 | 131303032321 |
11 | 5075a15864a |
12 | 21545153141 |
13 | c4c6b31a86 |
14 | 64d857942d |
15 | 3637452281 |
hex | 1e92454601 |
131303032321 has 8 divisors (see below), whose sum is σ = 132008868864. Its totient is φ = 130597387680.
The previous prime is 131303032307. The next prime is 131303032327. The reversal of 131303032321 is 123230303131.
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 131303032321 - 27 = 131303032193 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131303032292 and 131303032301.
It is not an unprimeable number, because it can be changed into a prime (131303032327) 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, 1449076 + ... + 1537018.
It is an arithmetic number, because the mean of its divisors is an integer number (16501108608).
Almost surely, 2131303032321 is an apocalyptic number.
It is an amenable number.
131303032321 is a deficient number, since it is larger than the sum of its proper divisors (705836543).
131303032321 is an equidigital number, since it uses as much as digits as its factorization.
131303032321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95951.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 131303032321 its reverse (123230303131), we get a palindrome (254533335452).
The spelling of 131303032321 in words is "one hundred thirty-one billion, three hundred three million, thirty-two thousand, three hundred twenty-one".
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