300031121020 has 24 divisors (see below), whose sum is σ = 645432803568. Its totient is φ = 117085315200.

The previous prime is 300031121003. The next prime is 300031121057. The reversal of 300031121020 is 20121130003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182944986 + ... + 182946625.

It is an arithmetic number, because the mean of its divisors is an integer number (26893033482).

Almost surely, 2^300031121020 is an apocalyptic number.

It is an amenable number.

300031121020 is an abundant number, since it is smaller than the sum of its proper divisors (345401682548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300031121020 is a wasteful number, since it uses less digits than its factorization.

300031121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365891661 (or 365891659 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 300031121020 its reverse (20121130003), we get a palindrome (320152251023).

The spelling of 300031121020 in words is "three hundred billion, thirty-one million, one hundred twenty-one thousand, twenty".