3146530213 has 2 divisors, whose sum is σ = 3146530214. Its totient is φ = 3146530212.

The previous prime is 3146530201. The next prime is 3146530237. The reversal of 3146530213 is 3120356413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2423888289 + 722641924 = 49233^2 + 26882^2 .

It is a cyclic number.

It is not a de Polignac number, because 3146530213 - 2²⁵ = 3112975781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3146530273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573265106 + 1573265107.

It is an arithmetic number, because the mean of its divisors is an integer number (1573265107).

Almost surely, 2^3146530213 is an apocalyptic number.

It is an amenable number.

3146530213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3146530213 is an equidigital number, since it uses as much as digits as its factorization.

3146530213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3146530213 is about 56093.9409651345. The cubic root of 3146530213 is about 1465.3587729212.

Adding to 3146530213 its reverse (3120356413), we get a palindrome (6266886626).

The spelling of 3146530213 in words is "three billion, one hundred forty-six million, five hundred thirty thousand, two hundred thirteen".