3231320230213 has 2 divisors, whose sum is σ = 3231320230214. Its totient is φ = 3231320230212.

The previous prime is 3231320230189. The next prime is 3231320230279. The reversal of 3231320230213 is 3120320231323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3084494850529 + 146825379684 = 1756273^2 + 383178^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231320230213 - 2²⁹ = 3230783359301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231320330213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615660115106 + 1615660115107.

It is an arithmetic number, because the mean of its divisors is an integer number (1615660115107).

Almost surely, 2^{3231320230213} is an apocalyptic number.

It is an amenable number.

3231320230213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231320230213 is an equidigital number, since it uses as much as digits as its factorization.

3231320230213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 3231320230213 its reverse (3120320231323), we get a palindrome (6351640461536).

The spelling of 3231320230213 in words is "three trillion, two hundred thirty-one billion, three hundred twenty million, two hundred thirty thousand, two hundred thirteen".