30313001909 has 2 divisors, whose sum is σ = 30313001910. Its totient is φ = 30313001908.

The previous prime is 30313001879. The next prime is 30313001933. The reversal of 30313001909 is 90910031303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27362122225 + 2950879684 = 165415^2 + 54322^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313001909 - 2³² = 26018034613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30313001959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156500954 + 15156500955.

It is an arithmetic number, because the mean of its divisors is an integer number (15156500955).

Almost surely, 2^30313001909 is an apocalyptic number.

It is an amenable number.

30313001909 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313001909 is an equidigital number, since it uses as much as digits as its factorization.

30313001909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 29.

The spelling of 30313001909 in words is "thirty billion, three hundred thirteen million, one thousand, nine hundred nine".