2021042313 has 32 divisors (see below), whose sum is σ = 3025797120. Its totient is φ = 1333175760.

The previous prime is 2021042291. The next prime is 2021042339. The reversal of 2021042313 is 3132401202.

2021042313 is a `hidden beast` number, since 20 + 210 + 423 + 13 = 666.

It is not a de Polignac number, because 2021042313 - 2⁶ = 2021042249 is a prime.

It is a super-2 number, since 2×2021042313² = 8169224061872779938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021042383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2080918 + ... + 2081888.

It is an arithmetic number, because the mean of its divisors is an integer number (94556160).

Almost surely, 2^2021042313 is an apocalyptic number.

It is an amenable number.

2021042313 is a deficient number, since it is larger than the sum of its proper divisors (1004754807).

2021042313 is a wasteful number, since it uses less digits than its factorization.

2021042313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2021042313 is about 44956.0041929885. The cubic root of 2021042313 is about 1264.3242523977.

Adding to 2021042313 its reverse (3132401202), we get a palindrome (5153443515).

The spelling of 2021042313 in words is "two billion, twenty-one million, forty-two thousand, three hundred thirteen".