30313001309 has 2 divisors, whose sum is σ = 30313001310. Its totient is φ = 30313001308.

The previous prime is 30313001293. The next prime is 30313001311. The reversal of 30313001309 is 90310031303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22081068409 + 8231932900 = 148597^2 + 90730^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313001309 - 2⁴ = 30313001293 is a prime.

Together with 30313001311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30313001339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156500654 + 15156500655.

It is an arithmetic number, because the mean of its divisors is an integer number (15156500655).

Almost surely, 2^30313001309 is an apocalyptic number.

It is an amenable number.

30313001309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313001309 is an equidigital number, since it uses as much as digits as its factorization.

30313001309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 23.

The spelling of 30313001309 in words is "thirty billion, three hundred thirteen million, one thousand, three hundred nine".