1320302231 has 2 divisors, whose sum is σ = 1320302232. Its totient is φ = 1320302230.

The previous prime is 1320302197. The next prime is 1320302251. The reversal of 1320302231 is 1322030231.

It is a strong prime.

It is an emirp because it is prime and its reverse (1322030231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320302231 - 2¹⁸ = 1320040087 is a prime.

It is a super-2 number, since 2×1320302231² = 3486395962367154722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320302251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660151115 + 660151116.

It is an arithmetic number, because the mean of its divisors is an integer number (660151116).

Almost surely, 2^1320302231 is an apocalyptic number.

1320302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320302231 is an equidigital number, since it uses as much as digits as its factorization.

1320302231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1320302231 is about 36335.9633283611. The cubic root of 1320302231 is about 1097.0450252375.

Adding to 1320302231 its reverse (1322030231), we get a palindrome (2642332462).

Subtracting 1320302231 from its reverse (1322030231), we obtain a cube (1728000 = 120³).

The spelling of 1320302231 in words is "one billion, three hundred twenty million, three hundred two thousand, two hundred thirty-one".