30021461147 has 2 divisors, whose sum is σ = 30021461148. Its totient is φ = 30021461146.

The previous prime is 30021461131. The next prime is 30021461153. The reversal of 30021461147 is 74116412003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30021461147 - 2⁴ = 30021461131 is a prime.

It is not a weakly prime, because it can be changed into another prime (30021461167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010730573 + 15010730574.

It is an arithmetic number, because the mean of its divisors is an integer number (15010730574).

Almost surely, 2^30021461147 is an apocalyptic number.

30021461147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30021461147 is an equidigital number, since it uses as much as digits as its factorization.

30021461147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 30021461147 in words is "thirty billion, twenty-one million, four hundred sixty-one thousand, one hundred forty-seven".