30533056481 has 2 divisors, whose sum is σ = 30533056482. Its totient is φ = 30533056480.

The previous prime is 30533056469. The next prime is 30533056529. The reversal of 30533056481 is 18465033503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22548025600 + 7985030881 = 150160^2 + 89359^2 .

It is a cyclic number.

It is not a de Polignac number, because 30533056481 - 2¹⁰ = 30533055457 is a prime.

It is a super-2 number, since 2×30533056481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30538056481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266528240 + 15266528241.

It is an arithmetic number, because the mean of its divisors is an integer number (15266528241).

Almost surely, 2^30533056481 is an apocalyptic number.

It is an amenable number.

30533056481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30533056481 is an equidigital number, since it uses as much as digits as its factorization.

30533056481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 30533056481 its reverse (18465033503), we get a palindrome (48998089984).

The spelling of 30533056481 in words is "thirty billion, five hundred thirty-three million, fifty-six thousand, four hundred eighty-one".