30512106113 has 2 divisors, whose sum is σ = 30512106114. Its totient is φ = 30512106112.

The previous prime is 30512106077. The next prime is 30512106127. The reversal of 30512106113 is 31160121503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23072698609 + 7439407504 = 151897^2 + 86252^2 .

It is a cyclic number.

It is not a de Polignac number, because 30512106113 - 2¹² = 30512102017 is a prime.

It is not a weakly prime, because it can be changed into another prime (30512106013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15256053056 + 15256053057.

It is an arithmetic number, because the mean of its divisors is an integer number (15256053057).

Almost surely, 2^30512106113 is an apocalyptic number.

It is an amenable number.

30512106113 is a deficient number, since it is larger than the sum of its proper divisors (1).

30512106113 is an equidigital number, since it uses as much as digits as its factorization.

30512106113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 30512106113 its reverse (31160121503), we get a palindrome (61672227616).

The spelling of 30512106113 in words is "thirty billion, five hundred twelve million, one hundred six thousand, one hundred thirteen".