2021313233 has 8 divisors (see below), whose sum is σ = 2128543200. Its totient is φ = 1914167808.

The previous prime is 2021313223. The next prime is 2021313251. The reversal of 2021313233 is 3323131202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021313233 - 2⁸ = 2021312977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31310 + ... + 70872.

It is an arithmetic number, because the mean of its divisors is an integer number (266067900).

Almost surely, 2^2021313233 is an apocalyptic number.

It is an amenable number.

2021313233 is a deficient number, since it is larger than the sum of its proper divisors (107229967).

2021313233 is a wasteful number, since it uses less digits than its factorization.

2021313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42271.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2021313233 is about 44959.0172601671. The cubic root of 2021313233 is about 1264.3807439450.

Adding to 2021313233 its reverse (3323131202), we get a palindrome (5344444435).

The spelling of 2021313233 in words is "two billion, twenty-one million, three hundred thirteen thousand, two hundred thirty-three".