2231211233 has 2 divisors, whose sum is σ = 2231211234. Its totient is φ = 2231211232.

The previous prime is 2231211127. The next prime is 2231211253. The reversal of 2231211233 is 3321121322.

2231211233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2231211253) can be obtained adding 2231211233 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1673873569 + 557337664 = 40913^2 + 23608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231211233 - 2¹² = 2231207137 is a prime.

It is a super-3 number, since 3×2231211233³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231211253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115605616 + 1115605617.

It is an arithmetic number, because the mean of its divisors is an integer number (1115605617).

Almost surely, 2^2231211233 is an apocalyptic number.

It is an amenable number.

2231211233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231211233 is an equidigital number, since it uses as much as digits as its factorization.

2231211233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 2231211233 is about 47235.6987140023. The cubic root of 2231211233 is about 1306.7130526001.

Adding to 2231211233 its reverse (3321121322), we get a palindrome (5552332555).

The spelling of 2231211233 in words is "two billion, two hundred thirty-one million, two hundred eleven thousand, two hundred thirty-three".