30768227309 has 8 divisors (see below), whose sum is σ = 31305498552. Its totient is φ = 30232016640.

The previous prime is 30768227297. The next prime is 30768227333. The reversal of 30768227309 is 90372286703.

It can be written as a sum of positive squares in 4 ways, for example, as 1993890409 + 28774336900 = 44653^2 + 169630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30768227309 - 2²⁰ = 30767178733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768227209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206504 + ... + 322769.

It is an arithmetic number, because the mean of its divisors is an integer number (3913187319).

Almost surely, 2^30768227309 is an apocalyptic number.

It is an amenable number.

30768227309 is a deficient number, since it is larger than the sum of its proper divisors (537271243).

30768227309 is an equidigital number, since it uses as much as digits as its factorization.

30768227309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530287.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 30768227309 in words is "thirty billion, seven hundred sixty-eight million, two hundred twenty-seven thousand, three hundred nine".