320381046133 has 2 divisors, whose sum is σ = 320381046134. Its totient is φ = 320381046132.

The previous prime is 320381046109. The next prime is 320381046163. The reversal of 320381046133 is 331640183023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320127376804 + 253669329 = 565798^2 + 15927^2 .

It is a cyclic number.

It is not a de Polignac number, because 320381046133 - 2¹³ = 320381037941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320381046163) 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, 160190523066 + 160190523067.

It is an arithmetic number, because the mean of its divisors is an integer number (160190523067).

Almost surely, 2^320381046133 is an apocalyptic number.

It is an amenable number.

320381046133 is a deficient number, since it is larger than the sum of its proper divisors (1).

320381046133 is an equidigital number, since it uses as much as digits as its factorization.

320381046133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 320381046133 in words is "three hundred twenty billion, three hundred eighty-one million, forty-six thousand, one hundred thirty-three".