30230232139 has 2 divisors, whose sum is σ = 30230232140. Its totient is φ = 30230232138.

The previous prime is 30230232083. The next prime is 30230232143. The reversal of 30230232139 is 93123203203.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30230232139 - 2¹¹ = 30230230091 is a prime.

It is not a weakly prime, because it can be changed into another prime (30230232199) 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, 15115116069 + 15115116070.

It is an arithmetic number, because the mean of its divisors is an integer number (15115116070).

Almost surely, 2^30230232139 is an apocalyptic number.

30230232139 is a deficient number, since it is larger than the sum of its proper divisors (1).

30230232139 is an equidigital number, since it uses as much as digits as its factorization.

30230232139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 30230232139 in words is "thirty billion, two hundred thirty million, two hundred thirty-two thousand, one hundred thirty-nine".