1331320112207 has 2 divisors, whose sum is σ = 1331320112208. Its totient is φ = 1331320112206.

The previous prime is 1331320112189. The next prime is 1331320112231. The reversal of 1331320112207 is 7022110231331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331320112207 - 2⁸ = 1331320111951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331320115207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665660056103 + 665660056104.

It is an arithmetic number, because the mean of its divisors is an integer number (665660056104).

Almost surely, 2^{1331320112207} is an apocalyptic number.

1331320112207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331320112207 is an equidigital number, since it uses as much as digits as its factorization.

1331320112207 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.

Adding to 1331320112207 its reverse (7022110231331), we get a palindrome (8353430343538).

The spelling of 1331320112207 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, one hundred twelve thousand, two hundred seven".