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120323101321 is a prime number
BaseRepresentation
bin111000000001111010…
…0001101001010001001
3102111120112010212012001
41300003310031022021
53432410203220241
6131135313351001
711456501325523
oct1600364151211
9374515125161
10120323101321
1147035287a05
121b39bb68461
13b467113097
145b76210a13
1531e3529431
hex1c03d0d289

120323101321 has 2 divisors, whose sum is σ = 120323101322. Its totient is φ = 120323101320.

The previous prime is 120323101319. The next prime is 120323101343. The reversal of 120323101321 is 123101323021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108676374921 + 11646726400 = 329661^2 + 107920^2 .

It is a cyclic number.

It is not a de Polignac number, because 120323101321 - 21 = 120323101319 is a prime.

Together with 120323101319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120323101361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60161550660 + 60161550661.

It is an arithmetic number, because the mean of its divisors is an integer number (60161550661).

Almost surely, 2120323101321 is an apocalyptic number.

It is an amenable number.

120323101321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120323101321 is an equidigital number, since it uses as much as digits as its factorization.

120323101321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120323101321 its reverse (123101323021), we get a palindrome (243424424342).

The spelling of 120323101321 in words is "one hundred twenty billion, three hundred twenty-three million, one hundred one thousand, three hundred twenty-one".