30481135793 has 2 divisors, whose sum is σ = 30481135794. Its totient is φ = 30481135792.

The previous prime is 30481135697. The next prime is 30481135799. The reversal of 30481135793 is 39753118403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29586408049 + 894727744 = 172007^2 + 29912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30481135793 is a prime.

It is not a weakly prime, because it can be changed into another prime (30481135799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15240567896 + 15240567897.

It is an arithmetic number, because the mean of its divisors is an integer number (15240567897).

Almost surely, 2^30481135793 is an apocalyptic number.

It is an amenable number.

30481135793 is a deficient number, since it is larger than the sum of its proper divisors (1).

30481135793 is an equidigital number, since it uses as much as digits as its factorization.

30481135793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 30481135793 in words is "thirty billion, four hundred eighty-one million, one hundred thirty-five thousand, seven hundred ninety-three".