30671634193 has 2 divisors, whose sum is σ = 30671634194. Its totient is φ = 30671634192.

The previous prime is 30671634113. The next prime is 30671634223. The reversal of 30671634193 is 39143617603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21906368064 + 8765266129 = 148008^2 + 93623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30671634193 is a prime.

It is a super-2 number, since 2×30671634193² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30671634113) 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, 15335817096 + 15335817097.

It is an arithmetic number, because the mean of its divisors is an integer number (15335817097).

Almost surely, 2^30671634193 is an apocalyptic number.

It is an amenable number.

30671634193 is a deficient number, since it is larger than the sum of its proper divisors (1).

30671634193 is an equidigital number, since it uses as much as digits as its factorization.

30671634193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 30671634193 in words is "thirty billion, six hundred seventy-one million, six hundred thirty-four thousand, one hundred ninety-three".