30671878073 has 2 divisors, whose sum is σ = 30671878074. Its totient is φ = 30671878072.

The previous prime is 30671878033. The next prime is 30671878151. The reversal of 30671878073 is 37087817603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29456170384 + 1215707689 = 171628^2 + 34867^2 .

It is a cyclic number.

It is not a de Polignac number, because 30671878073 - 2¹⁸ = 30671615929 is a prime.

It is not a weakly prime, because it can be changed into another prime (30671878033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15335939036 + 15335939037.

It is an arithmetic number, because the mean of its divisors is an integer number (15335939037).

Almost surely, 2^30671878073 is an apocalyptic number.

It is an amenable number.

30671878073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30671878073 is an equidigital number, since it uses as much as digits as its factorization.

30671878073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 30671878073 in words is "thirty billion, six hundred seventy-one million, eight hundred seventy-eight thousand, seventy-three".