2331023213 has 2 divisors, whose sum is σ = 2331023214. Its totient is φ = 2331023212.

The previous prime is 2331023209. The next prime is 2331023231. The reversal of 2331023213 is 3123201332.

Together with next prime (2331023231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1797505609 + 533517604 = 42397^2 + 23098^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331023213 - 2² = 2331023209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331023813) 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 as a sum of consecutive naturals, namely, 1165511606 + 1165511607.

It is an arithmetic number, because the mean of its divisors is an integer number (1165511607).

Almost surely, 2^2331023213 is an apocalyptic number.

It is an amenable number.

2331023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331023213 is an equidigital number, since it uses as much as digits as its factorization.

2331023213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2331023213 is about 48280.6712153011. The cubic root of 2331023213 is about 1325.9145390043.

Adding to 2331023213 its reverse (3123201332), we get a palindrome (5454224545).

The spelling of 2331023213 in words is "two billion, three hundred thirty-one million, twenty-three thousand, two hundred thirteen".