2021313210030 has 96 divisors (see below), whose sum is σ = 5320248804000. Its totient is φ = 532407603456.

The previous prime is 2021313210001. The next prime is 2021313210041. The reversal of 2021313210030 is 300123131202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2021313209985 and 2021313210012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1979352 + ... + 2821428.

It is an arithmetic number, because the mean of its divisors is an integer number (55419258375).

Almost surely, 2^{2021313210030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021313210030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2660124402000).

2021313210030 is an abundant number, since it is smaller than the sum of its proper divisors (3298935593970).

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

2021313210030 is a wasteful number, since it uses less digits than its factorization.

2021313210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842418 (or 842415 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2021313210030 its reverse (300123131202), we get a palindrome (2321436341232).

The spelling of 2021313210030 in words is "two trillion, twenty-one billion, three hundred thirteen million, two hundred ten thousand, thirty".