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320101321 is a prime number
BaseRepresentation
bin10011000101000…
…101101111001001
3211022022211110111
4103011011233021
51123421220241
651432514321
710634550001
oct2305055711
9738284414
10320101321
11154763951
128b24b9a1
1351418387
1430727001
151d17ec81
hex13145bc9

320101321 has 2 divisors, whose sum is σ = 320101322. Its totient is φ = 320101320.

The previous prime is 320101297. The next prime is 320101339. The reversal of 320101321 is 123101023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257121225 + 62980096 = 16035^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 320101321 - 25 = 320101289 is a prime.

It is not a weakly prime, because it can be changed into another prime (320101351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160050660 + 160050661.

It is an arithmetic number, because the mean of its divisors is an integer number (160050661).

Almost surely, 2320101321 is an apocalyptic number.

It is an amenable number.

320101321 is a deficient number, since it is larger than the sum of its proper divisors (1).

320101321 is an equidigital number, since it uses as much as digits as its factorization.

320101321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 320101321 is about 17891.3756039048. The cubic root of 320101321 is about 684.0625612499.

Adding to 320101321 its reverse (123101023), we get a palindrome (443202344).

The spelling of 320101321 in words is "three hundred twenty million, one hundred one thousand, three hundred twenty-one".