30545187703871 has 2 divisors, whose sum is σ = 30545187703872. Its totient is φ = 30545187703870.

The previous prime is 30545187703867. The next prime is 30545187703873. The reversal of 30545187703871 is 17830778154503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30545187703871 - 2² = 30545187703867 is a prime.

Together with 30545187703873, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30545187703871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30545187703873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15272593851935 + 15272593851936.

It is an arithmetic number, because the mean of its divisors is an integer number (15272593851936).

Almost surely, 2^{30545187703871} is an apocalyptic number.

30545187703871 is a deficient number, since it is larger than the sum of its proper divisors (1).

30545187703871 is an equidigital number, since it uses as much as digits as its factorization.

30545187703871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19756800, while the sum is 59.

The spelling of 30545187703871 in words is "thirty trillion, five hundred forty-five billion, one hundred eighty-seven million, seven hundred three thousand, eight hundred seventy-one".