1330231369 has 2 divisors, whose sum is σ = 1330231370. Its totient is φ = 1330231368.

The previous prime is 1330231339. The next prime is 1330231373. The reversal of 1330231369 is 9631320331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773507344 + 556724025 = 27812^2 + 23595^2 .

It is an emirp because it is prime and its reverse (9631320331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330231369 - 2²³ = 1321842761 is a prime.

It is a super-2 number, since 2×1330231369² = 3539030990143228322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1330231369.

It is not a weakly prime, because it can be changed into another prime (1330231339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665115684 + 665115685.

It is an arithmetic number, because the mean of its divisors is an integer number (665115685).

Almost surely, 2^1330231369 is an apocalyptic number.

It is an amenable number.

1330231369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330231369 is an equidigital number, since it uses as much as digits as its factorization.

1330231369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 1330231369 is about 36472.3370378154. The cubic root of 1330231369 is about 1099.7882151502.

The spelling of 1330231369 in words is "one billion, three hundred thirty million, two hundred thirty-one thousand, three hundred sixty-nine".