30948180139 has 2 divisors, whose sum is σ = 30948180140. Its totient is φ = 30948180138.

The previous prime is 30948180113. The next prime is 30948180167. The reversal of 30948180139 is 93108184903.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30948180139 - 2¹¹ = 30948178091 is a prime.

It is not a weakly prime, because it can be changed into another prime (30948180239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15474090069 + 15474090070.

It is an arithmetic number, because the mean of its divisors is an integer number (15474090070).

Almost surely, 2^30948180139 is an apocalyptic number.

30948180139 is a deficient number, since it is larger than the sum of its proper divisors (1).

30948180139 is an equidigital number, since it uses as much as digits as its factorization.

30948180139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 30948180139 in words is "thirty billion, nine hundred forty-eight million, one hundred eighty thousand, one hundred thirty-nine".