30530263061 has 2 divisors, whose sum is σ = 30530263062. Its totient is φ = 30530263060.

The previous prime is 30530263051. The next prime is 30530263079. The reversal of 30530263061 is 16036203503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22202788036 + 8327475025 = 149006^2 + 91255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30530263061 is a prime.

It is a super-2 number, since 2×30530263061² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30530263051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265131530 + 15265131531.

It is an arithmetic number, because the mean of its divisors is an integer number (15265131531).

Almost surely, 2^30530263061 is an apocalyptic number.

It is an amenable number.

30530263061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30530263061 is an equidigital number, since it uses as much as digits as its factorization.

30530263061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 30530263061 its reverse (16036203503), we get a palindrome (46566466564).

The spelling of 30530263061 in words is "thirty billion, five hundred thirty million, two hundred sixty-three thousand, sixty-one".