300002031021 has 24 divisors (see below), whose sum is σ = 507610118304. Its totient is φ = 155845210080.

The previous prime is 300002030957. The next prime is 300002031061. The reversal of 300002031021 is 120130200003.

It is a happy number.

It is not a de Polignac number, because 300002031021 - 2⁶ = 300002030957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300002030988 and 300002031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300002031061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92763390 + ... + 92766623.

It is an arithmetic number, because the mean of its divisors is an integer number (21150421596).

Almost surely, 2^300002031021 is an apocalyptic number.

It is an amenable number.

300002031021 is a deficient number, since it is larger than the sum of its proper divisors (207608087283).

300002031021 is a wasteful number, since it uses less digits than its factorization.

300002031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185530041 (or 185530034 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 300002031021 its reverse (120130200003), we get a palindrome (420132231024).

The spelling of 300002031021 in words is "three hundred billion, two million, thirty-one thousand, twenty-one".