300021031013 has 6 divisors (see below), whose sum is σ = 329775182982. Its totient is φ = 272746391720.

The previous prime is 300021031003. The next prime is 300021031027. The reversal of 300021031013 is 310130120003.

It can be written as a sum of positive squares in only one way, i.e., 289786269124 + 10234761889 = 538318^2 + 101167^2 .

It is a de Polignac number, because none of the positive numbers 2^k-300021031013 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 (300021031003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1239756206 + ... + 1239756447.

It is an arithmetic number, because the mean of its divisors is an integer number (54962530497).

Almost surely, 2^300021031013 is an apocalyptic number.

It is an amenable number.

300021031013 is a deficient number, since it is larger than the sum of its proper divisors (29754151969).

300021031013 is a wasteful number, since it uses less digits than its factorization.

300021031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479512675 (or 2479512664 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 300021031013 its reverse (310130120003), we get a palindrome (610151151016).

The spelling of 300021031013 in words is "three hundred billion, twenty-one million, thirty-one thousand, thirteen".