1323030109 has 2 divisors, whose sum is σ = 1323030110. Its totient is φ = 1323030108.

The previous prime is 1323030077. The next prime is 1323030113. The reversal of 1323030109 is 9010303231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795409209 + 527620900 = 28203^2 + 22970^2 .

It is an emirp because it is prime and its reverse (9010303231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323030109 - 2⁵ = 1323030077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323030109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323030169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661515054 + 661515055.

It is an arithmetic number, because the mean of its divisors is an integer number (661515055).

Almost surely, 2^1323030109 is an apocalyptic number.

It is an amenable number.

1323030109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323030109 is an equidigital number, since it uses as much as digits as its factorization.

1323030109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1323030109 is about 36373.4808480024. The cubic root of 1323030109 is about 1097.8000408376.

The spelling of 1323030109 in words is "one billion, three hundred twenty-three million, thirty thousand, one hundred nine".