1313320207 has 2 divisors, whose sum is σ = 1313320208. Its totient is φ = 1313320206.

The previous prime is 1313320199. The next prime is 1313320237. The reversal of 1313320207 is 7020233131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313320207 - 2³ = 1313320199 is a prime.

It is a super-2 number, since 2×1313320207² = 3449619932229045698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313320237) 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, 656660103 + 656660104.

It is an arithmetic number, because the mean of its divisors is an integer number (656660104).

Almost surely, 2^1313320207 is an apocalyptic number.

1313320207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313320207 is an equidigital number, since it uses as much as digits as its factorization.

1313320207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1313320207 is about 36239.7600295587. The cubic root of 1313320207 is about 1095.1078080992.

Adding to 1313320207 its reverse (7020233131), we get a palindrome (8333553338).

The spelling of 1313320207 in words is "one billion, three hundred thirteen million, three hundred twenty thousand, two hundred seven".