2021313332 has 24 divisors (see below), whose sum is σ = 3600088800. Its totient is φ = 992743776.

The previous prime is 2021313323. The next prime is 2021313361. The reversal of 2021313332 is 2333131202.

It is a super-2 number, since 2×2021313332² = 8171415172241884448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 397019 + ... + 402077.

It is an arithmetic number, because the mean of its divisors is an integer number (150003700).

Almost surely, 2^2021313332 is an apocalyptic number.

It is an amenable number.

2021313332 is a deficient number, since it is larger than the sum of its proper divisors (1578775468).

2021313332 is a wasteful number, since it uses less digits than its factorization.

2021313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815 (or 6813 counting only the distinct ones).

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

The square root of 2021313332 is about 44959.0183611698. The cubic root of 2021313332 is about 1264.3807645873.

Adding to 2021313332 its reverse (2333131202), we get a palindrome (4354444534).

The spelling of 2021313332 in words is "two billion, twenty-one million, three hundred thirteen thousand, three hundred thirty-two".