2331020213 has 2 divisors, whose sum is σ = 2331020214. Its totient is φ = 2331020212.

The previous prime is 2331020207. The next prime is 2331020227. The reversal of 2331020213 is 3120201332.

2331020213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2327773009 + 3247204 = 48247^2 + 1802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331020213 - 2¹⁸ = 2330758069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331020191 and 2331020200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331020243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165510106 + 1165510107.

It is an arithmetic number, because the mean of its divisors is an integer number (1165510107).

Almost surely, 2^2331020213 is an apocalyptic number.

It is an amenable number.

2331020213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331020213 is an equidigital number, since it uses as much as digits as its factorization.

2331020213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2331020213 is about 48280.6401469575. The cubic root of 2331020213 is about 1325.9139701918.

Adding to 2331020213 its reverse (3120201332), we get a palindrome (5451221545).

The spelling of 2331020213 in words is "two billion, three hundred thirty-one million, twenty thousand, two hundred thirteen".