1430321213 has 2 divisors, whose sum is σ = 1430321214. Its totient is φ = 1430321212.

The previous prime is 1430321177. The next prime is 1430321219. The reversal of 1430321213 is 3121230341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1362126649 + 68194564 = 36907^2 + 8258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430321213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430321219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715160606 + 715160607.

It is an arithmetic number, because the mean of its divisors is an integer number (715160607).

Almost surely, 2^1430321213 is an apocalyptic number.

It is an amenable number.

1430321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430321213 is an equidigital number, since it uses as much as digits as its factorization.

1430321213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1430321213 is about 37819.5876894500. The cubic root of 1430321213 is about 1126.7075207322.

Adding to 1430321213 its reverse (3121230341), we get a palindrome (4551551554).

The spelling of 1430321213 in words is "one billion, four hundred thirty million, three hundred twenty-one thousand, two hundred thirteen".