30320123013 has 16 divisors (see below), whose sum is σ = 45041109760. Its totient is φ = 20158331328.

The previous prime is 30320122997. The next prime is 30320123087. The reversal of 30320123013 is 31032102303.

30320123013 is a `hidden beast` number, since 30 + 320 + 12 + 301 + 3 = 666.

It is not a de Polignac number, because 30320123013 - 2⁴ = 30320122997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320103013) 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 15 ways as a sum of consecutive naturals, for example, 1520020 + ... + 1539837.

It is an arithmetic number, because the mean of its divisors is an integer number (2815069360).

Almost surely, 2^30320123013 is an apocalyptic number.

It is an amenable number.

30320123013 is a deficient number, since it is larger than the sum of its proper divisors (14720986747).

30320123013 is a wasteful number, since it uses less digits than its factorization.

30320123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060233 (or 3060227 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30320123013 its reverse (31032102303), we get a palindrome (61352225316).

The spelling of 30320123013 in words is "thirty billion, three hundred twenty million, one hundred twenty-three thousand, thirteen".