30912281170541 has 2 divisors, whose sum is σ = 30912281170542. Its totient is φ = 30912281170540.

The previous prime is 30912281170483. The next prime is 30912281170579. The reversal of 30912281170541 is 14507118221903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24611729362441 + 6300551808100 = 4961021^2 + 2510090^2 .

It is an emirp because it is prime and its reverse (14507118221903) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30912281170541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30912281170492 and 30912281170501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30912281172541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15456140585270 + 15456140585271.

It is an arithmetic number, because the mean of its divisors is an integer number (15456140585271).

Almost surely, 2^{30912281170541} is an apocalyptic number.

It is an amenable number.

30912281170541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30912281170541 is an equidigital number, since it uses as much as digits as its factorization.

30912281170541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 30912281170541 in words is "thirty trillion, nine hundred twelve billion, two hundred eighty-one million, one hundred seventy thousand, five hundred forty-one".