30042475513 has 2 divisors, whose sum is σ = 30042475514. Its totient is φ = 30042475512.

The previous prime is 30042475511. The next prime is 30042475577. The reversal of 30042475513 is 31557424003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22974374329 + 7068101184 = 151573^2 + 84072^2 .

It is a cyclic number.

It is not a de Polignac number, because 30042475513 - 2¹ = 30042475511 is a prime.

It is a super-2 number, since 2×30042475513² (a number of 22 digits) contains 22 as substring.

Together with 30042475511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30042475511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021237756 + 15021237757.

It is an arithmetic number, because the mean of its divisors is an integer number (15021237757).

Almost surely, 2^30042475513 is an apocalyptic number.

It is an amenable number.

30042475513 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042475513 is an equidigital number, since it uses as much as digits as its factorization.

30042475513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 30042475513 its reverse (31557424003), we get a palindrome (61599899516).

The spelling of 30042475513 in words is "thirty billion, forty-two million, four hundred seventy-five thousand, five hundred thirteen".