1330312213 has 2 divisors, whose sum is σ = 1330312214. Its totient is φ = 1330312212.

The previous prime is 1330312187. The next prime is 1330312219. The reversal of 1330312213 is 3122130331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300467844 + 29844369 = 36062^2 + 5463^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330312213 - 2⁹ = 1330311701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330312219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665156106 + 665156107.

It is an arithmetic number, because the mean of its divisors is an integer number (665156107).

Almost surely, 2^1330312213 is an apocalyptic number.

It is an amenable number.

1330312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330312213 is an equidigital number, since it uses as much as digits as its factorization.

1330312213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1330312213 is about 36473.4453129945. The cubic root of 1330312213 is about 1099.8104943515.

Adding to 1330312213 its reverse (3122130331), we get a palindrome (4452442544).

The spelling of 1330312213 in words is "one billion, three hundred thirty million, three hundred twelve thousand, two hundred thirteen".