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320381074901 is a prime number
BaseRepresentation
bin1001010100110000011…
…00110011110111010101
31010121221220111220111002
410222120030303313111
520222120023344101
6403103034153045
732101225126646
oct4523014636725
91117856456432
10320381074901
11113966845558
1252112b82785
132429a44ca44
1411713ca36cd
158501b00d6b
hex4a98333dd5

320381074901 has 2 divisors, whose sum is σ = 320381074902. Its totient is φ = 320381074900.

The previous prime is 320381074879. The next prime is 320381074913. The reversal of 320381074901 is 109470183023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276938010001 + 43443064900 = 526249^2 + 208430^2 .

It is an emirp because it is prime and its reverse (109470183023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320381074901 - 234 = 303201205717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320381074931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160190537450 + 160190537451.

It is an arithmetic number, because the mean of its divisors is an integer number (160190537451).

Almost surely, 2320381074901 is an apocalyptic number.

It is an amenable number.

320381074901 is a deficient number, since it is larger than the sum of its proper divisors (1).

320381074901 is an equidigital number, since it uses as much as digits as its factorization.

320381074901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 320381074901 in words is "three hundred twenty billion, three hundred eighty-one million, seventy-four thousand, nine hundred one".