2231213233 has 4 divisors (see below), whose sum is σ = 2328222528. Its totient is φ = 2134203940.

The previous prime is 2231213213. The next prime is 2231213249. The reversal of 2231213233 is 3323121322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231213233 is a prime.

It is a super-3 number, since 3×2231213233³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231213213) 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 3 ways as a sum of consecutive naturals, for example, 48504613 + ... + 48504658.

It is an arithmetic number, because the mean of its divisors is an integer number (582055632).

Almost surely, 2^2231213233 is an apocalyptic number.

2231213233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2231213233 is a deficient number, since it is larger than the sum of its proper divisors (97009295).

2231213233 is an equidigital number, since it uses as much as digits as its factorization.

2231213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97009294.

The product of its digits is 1296, while the sum is 22.

The square root of 2231213233 is about 47235.7198844264. The cubic root of 2231213233 is about 1306.7134430346.

Adding to 2231213233 its reverse (3323121322), we get a palindrome (5554334555).

The spelling of 2231213233 in words is "two billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred thirty-three".