309309340007 has 2 divisors, whose sum is σ = 309309340008. Its totient is φ = 309309340006.

The previous prime is 309309339991. The next prime is 309309340063. The reversal of 309309340007 is 700043903903.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 309309340007 - 2⁴ = 309309339991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (309309340097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154654670003 + 154654670004.

It is an arithmetic number, because the mean of its divisors is an integer number (154654670004).

Almost surely, 2^309309340007 is an apocalyptic number.

309309340007 is a deficient number, since it is larger than the sum of its proper divisors (1).

309309340007 is an equidigital number, since it uses as much as digits as its factorization.

309309340007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 38.

The spelling of 309309340007 in words is "three hundred nine billion, three hundred nine million, three hundred forty thousand, seven".