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130320901 is a prime number
BaseRepresentation
bin1111100010010…
…00101000000101
3100002012222200001
413301020220011
5231330232101
620533121301
73141465214
oct761105005
9302188601
10130320901
1167621027
1237789231
1320ccb879
141344507b
15b693901
hex7c48a05

130320901 has 2 divisors, whose sum is σ = 130320902. Its totient is φ = 130320900.

The previous prime is 130320899. The next prime is 130320937. The reversal of 130320901 is 109023031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 58155876 = 8495^2 + 7626^2 .

It is a cyclic number.

It is not a de Polignac number, because 130320901 - 21 = 130320899 is a prime.

Together with 130320899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130320941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65160450 + 65160451.

It is an arithmetic number, because the mean of its divisors is an integer number (65160451).

Almost surely, 2130320901 is an apocalyptic number.

It is an amenable number.

130320901 is a deficient number, since it is larger than the sum of its proper divisors (1).

130320901 is an equidigital number, since it uses as much as digits as its factorization.

130320901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 130320901 is about 11415.8180171199. The cubic root of 130320901 is about 506.9961848751.

Adding to 130320901 its reverse (109023031), we get a palindrome (239343932).

The spelling of 130320901 in words is "one hundred thirty million, three hundred twenty thousand, nine hundred one".