300020031013 has 4 divisors (see below), whose sum is σ = 300022203628. Its totient is φ = 300017858400.

The previous prime is 300020031007. The next prime is 300020031029. The reversal of 300020031013 is 310130020003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310130020003 = 59 ⋅5256441017.

It can be written as a sum of positive squares in 2 ways, for example, as 158991992644 + 141028038369 = 398738^2 + 375537^2 .

It is a cyclic number.

It is not a de Polignac number, because 300020031013 - 2¹³ = 300020022821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300020030984 and 300020031002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020031083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864006 + ... + 1160407.

It is an arithmetic number, because the mean of its divisors is an integer number (75005550907).

Almost surely, 2^300020031013 is an apocalyptic number.

It is an amenable number.

300020031013 is a deficient number, since it is larger than the sum of its proper divisors (2172615).

300020031013 is a wasteful number, since it uses less digits than its factorization.

300020031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172614.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 300020031013 its reverse (310130020003), we get a palindrome (610150051016).

The spelling of 300020031013 in words is "three hundred billion, twenty million, thirty-one thousand, thirteen".