30503052691 has 2 divisors, whose sum is σ = 30503052692. Its totient is φ = 30503052690.

The previous prime is 30503052683. The next prime is 30503052721. The reversal of 30503052691 is 19625030503.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30503052691 - 2³ = 30503052683 is a prime.

It is not a weakly prime, because it can be changed into another prime (30503052641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251526345 + 15251526346.

It is an arithmetic number, because the mean of its divisors is an integer number (15251526346).

Almost surely, 2^30503052691 is an apocalyptic number.

30503052691 is a deficient number, since it is larger than the sum of its proper divisors (1).

30503052691 is an equidigital number, since it uses as much as digits as its factorization.

30503052691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 30503052691 in words is "thirty billion, five hundred three million, fifty-two thousand, six hundred ninety-one".