1323331099 has 2 divisors, whose sum is σ = 1323331100. Its totient is φ = 1323331098.

The previous prime is 1323331073. The next prime is 1323331109. The reversal of 1323331099 is 9901333231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323331099 - 2⁵ = 1323331067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323331199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661665549 + 661665550.

It is an arithmetic number, because the mean of its divisors is an integer number (661665550).

Almost surely, 2^1323331099 is an apocalyptic number.

1323331099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323331099 is an equidigital number, since it uses as much as digits as its factorization.

1323331099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 1323331099 is about 36377.6181050931. The cubic root of 1323331099 is about 1097.8832845415.

The spelling of 1323331099 in words is "one billion, three hundred twenty-three million, three hundred thirty-one thousand, ninety-nine".