2021042310 has 128 divisors (see below), whose sum is σ = 5635768320. Its totient is φ = 454329216.

The previous prime is 2021042291. The next prime is 2021042339. The reversal of 2021042310 is 132401202.

It is a super-2 number, since 2×2021042310² = 8169224037620272200, which contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021042310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4823281 + ... + 4823699.

It is an arithmetic number, because the mean of its divisors is an integer number (44029440).

Almost surely, 2^2021042310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021042310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2817884160).

2021042310 is an abundant number, since it is smaller than the sum of its proper divisors (3614726010).

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

2021042310 is a wasteful number, since it uses less digits than its factorization.

2021042310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2021042310 is about 44956.0041596225. The cubic root of 2021042310 is about 1264.3242517721.

Adding to 2021042310 its reverse (132401202), we get a palindrome (2153443512).

The spelling of 2021042310 in words is "two billion, twenty-one million, forty-two thousand, three hundred ten".