2021313300 has 72 divisors (see below), whose sum is σ = 5865207936. Its totient is φ = 537461760.

The previous prime is 2021313251. The next prime is 2021313313. The reversal of 2021313300 is 33131202.

2021313300 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2021313300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96357 + ... + 115443.

Almost surely, 2^2021313300 is an apocalyptic number.

2021313300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021313300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2932603968).

2021313300 is an abundant number, since it is smaller than the sum of its proper divisors (3843894636).

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

2021313300 is a wasteful number, since it uses less digits than its factorization.

2021313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19457 (or 19450 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2021313300 is about 44959.0180052901. The cubic root of 2021313300 is about 1264.3807579151.

Adding to 2021313300 its reverse (33131202), we get a palindrome (2054444502).

The spelling of 2021313300 in words is "two billion, twenty-one million, three hundred thirteen thousand, three hundred".