1320030293 has 2 divisors, whose sum is σ = 1320030294. Its totient is φ = 1320030292.

The previous prime is 1320030287. The next prime is 1320030337. The reversal of 1320030293 is 3920300231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228292209 + 91738084 = 35047^2 + 9578^2 .

It is an emirp because it is prime and its reverse (3920300231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320030293 - 2⁸ = 1320030037 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 (1320030233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660015146 + 660015147.

It is an arithmetic number, because the mean of its divisors is an integer number (660015147).

Almost surely, 2^1320030293 is an apocalyptic number.

It is an amenable number.

1320030293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320030293 is an equidigital number, since it uses as much as digits as its factorization.

1320030293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1320030293 is about 36332.2211404698. The cubic root of 1320030293 is about 1096.9697018993.

The spelling of 1320030293 in words is "one billion, three hundred twenty million, thirty thousand, two hundred ninety-three".