30513201303 has 48 divisors (see below), whose sum is σ = 45198107136. Its totient is φ = 18293633280.

The previous prime is 30513201293. The next prime is 30513201311. The reversal of 30513201303 is 30310231503.

It is not a de Polignac number, because 30513201303 - 2⁹ = 30513200791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30513201303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30513201703) 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 in 47 ways as a sum of consecutive naturals, for example, 5406363 + ... + 5412003.

It is an arithmetic number, because the mean of its divisors is an integer number (941627232).

Almost surely, 2^30513201303 is an apocalyptic number.

30513201303 is a deficient number, since it is larger than the sum of its proper divisors (14684905833).

30513201303 is a wasteful number, since it uses less digits than its factorization.

30513201303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 5931 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

Adding to 30513201303 its reverse (30310231503), we get a palindrome (60823432806).

The spelling of 30513201303 in words is "thirty billion, five hundred thirteen million, two hundred one thousand, three hundred three".