30471549313 has 2 divisors, whose sum is σ = 30471549314. Its totient is φ = 30471549312.

The previous prime is 30471549299. The next prime is 30471549331. The reversal of 30471549313 is 31394517403.

Together with next prime (30471549331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29710727424 + 760821889 = 172368^2 + 27583^2 .

It is a cyclic number.

It is not a de Polignac number, because 30471549313 - 2²¹ = 30469452161 is a prime.

It is not a weakly prime, because it can be changed into another prime (30471549413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235774656 + 15235774657.

It is an arithmetic number, because the mean of its divisors is an integer number (15235774657).

Almost surely, 2^30471549313 is an apocalyptic number.

It is an amenable number.

30471549313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30471549313 is an equidigital number, since it uses as much as digits as its factorization.

30471549313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 30471549313 in words is "thirty billion, four hundred seventy-one million, five hundred forty-nine thousand, three hundred thirteen".