1313221067 has 2 divisors, whose sum is σ = 1313221068. Its totient is φ = 1313221066.

The previous prime is 1313221027. The next prime is 1313221079. The reversal of 1313221067 is 7601223131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313221067 - 2²⁸ = 1044785611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313221027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656610533 + 656610534.

It is an arithmetic number, because the mean of its divisors is an integer number (656610534).

Almost surely, 2^1313221067 is an apocalyptic number.

1313221067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313221067 is an equidigital number, since it uses as much as digits as its factorization.

1313221067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1313221067 is about 36238.3921690795. The cubic root of 1313221067 is about 1095.0802515497.

Adding to 1313221067 its reverse (7601223131), we get a palindrome (8914444198).

The spelling of 1313221067 in words is "one billion, three hundred thirteen million, two hundred twenty-one thousand, sixty-seven".