1030305513 has 8 divisors (see below), whose sum is σ = 1373960128. Its totient is φ = 686760624.

The previous prime is 1030305511. The next prime is 1030305517. The reversal of 1030305513 is 3155030301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1030305513 - 2¹ = 1030305511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030305513.

It is not an unprimeable number, because it can be changed into a prime (1030305511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206 + ... + 45447.

It is an arithmetic number, because the mean of its divisors is an integer number (171745016).

Almost surely, 2^1030305513 is an apocalyptic number.

It is an amenable number.

1030305513 is a deficient number, since it is larger than the sum of its proper divisors (343654615).

1030305513 is an equidigital number, since it uses as much as digits as its factorization.

1030305513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54863.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 1030305513 is about 32098.3724353744. The cubic root of 1030305513 is about 1010.0014746899.

Adding to 1030305513 its reverse (3155030301), we get a palindrome (4185335814).

The spelling of 1030305513 in words is "one billion, thirty million, three hundred five thousand, five hundred thirteen".