2231021333 has 12 divisors (see below), whose sum is σ = 2420417472. Its totient is φ = 2055096000.

The previous prime is 2231021329. The next prime is 2231021347. The reversal of 2231021333 is 3331201322.

It is not a de Polignac number, because 2231021333 - 2² = 2231021329 is a prime.

It is a super-3 number, since 3×2231021333³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231021323) 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 11 ways as a sum of consecutive naturals, for example, 68543 + ... + 95708.

It is an arithmetic number, because the mean of its divisors is an integer number (201701456).

Almost surely, 2^2231021333 is an apocalyptic number.

It is an amenable number.

2231021333 is a deficient number, since it is larger than the sum of its proper divisors (189396139).

2231021333 is a wasteful number, since it uses less digits than its factorization.

2231021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164332 (or 164315 counting only the distinct ones).

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

The square root of 2231021333 is about 47233.6885390078. The cubic root of 2231021333 is about 1306.6759797843.

Adding to 2231021333 its reverse (3331201322), we get a palindrome (5562222655).

The spelling of 2231021333 in words is "two billion, two hundred thirty-one million, twenty-one thousand, three hundred thirty-three".