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320000030401 is a prime number
BaseRepresentation
bin1001010100000010111…
…11001111011011000001
31010120222100111211200211
410222001133033123001
520220330001433101
6403001143114121
732055620244022
oct4520137173301
91116870454624
10320000030401
11113790747147
1252027442941
132423951731c
14116b9434c49
1584cd433c51
hex4a817cf6c1

320000030401 has 2 divisors, whose sum is σ = 320000030402. Its totient is φ = 320000030400.

The previous prime is 320000030381. The next prime is 320000030407. The reversal of 320000030401 is 104030000023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298902758400 + 21097272001 = 546720^2 + 145249^2 .

It is an emirp because it is prime and its reverse (104030000023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320000030401 - 25 = 320000030369 is a prime.

It is not a weakly prime, because it can be changed into another prime (320000030407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160000015200 + 160000015201.

It is an arithmetic number, because the mean of its divisors is an integer number (160000015201).

Almost surely, 2320000030401 is an apocalyptic number.

It is an amenable number.

320000030401 is a deficient number, since it is larger than the sum of its proper divisors (1).

320000030401 is an equidigital number, since it uses as much as digits as its factorization.

320000030401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 320000030401 its reverse (104030000023), we get a palindrome (424030030424).

The spelling of 320000030401 in words is "three hundred twenty billion, thirty thousand, four hundred one".