2021331342 has 8 divisors (see below), whose sum is σ = 4042662696. Its totient is φ = 673777112.

The previous prime is 2021331311. The next prime is 2021331353. The reversal of 2021331342 is 2431331202.

2021331342 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

2021331342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168444273 + ... + 168444284.

It is an arithmetic number, because the mean of its divisors is an integer number (505332837).

Almost surely, 2^2021331342 is an apocalyptic number.

2021331342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021331342 is a wasteful number, since it uses less digits than its factorization.

2021331342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336888562.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2021331342 is about 44959.2186542426. The cubic root of 2021331342 is about 1264.3845198075.

Adding to 2021331342 its reverse (2431331202), we get a palindrome (4452662544).

The spelling of 2021331342 in words is "two billion, twenty-one million, three hundred thirty-one thousand, three hundred forty-two".