30230999947 has 2 divisors, whose sum is σ = 30230999948. Its totient is φ = 30230999946.

The previous prime is 30230999941. The next prime is 30230999963. The reversal of 30230999947 is 74999903203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230999947 is a prime.

It is not a weakly prime, because it can be changed into another prime (30230999941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115499973 + 15115499974.

It is an arithmetic number, because the mean of its divisors is an integer number (15115499974).

Almost surely, 2^30230999947 is an apocalyptic number.

30230999947 is a deficient number, since it is larger than the sum of its proper divisors (1).

30230999947 is an equidigital number, since it uses as much as digits as its factorization.

30230999947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 30230999947 in words is "thirty billion, two hundred thirty million, nine hundred ninety-nine thousand, nine hundred forty-seven".