1320312330187 has 2 divisors, whose sum is σ = 1320312330188. Its totient is φ = 1320312330186.

The previous prime is 1320312330167. The next prime is 1320312330277. The reversal of 1320312330187 is 7810332130231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320312330187 - 2⁷ = 1320312330059 is a prime.

It is a super-2 number, since 2×1320312330187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1320312330167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660156165093 + 660156165094.

It is an arithmetic number, because the mean of its divisors is an integer number (660156165094).

Almost surely, 2^{1320312330187} is an apocalyptic number.

1320312330187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320312330187 is an equidigital number, since it uses as much as digits as its factorization.

1320312330187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 1320312330187 in words is "one trillion, three hundred twenty billion, three hundred twelve million, three hundred thirty thousand, one hundred eighty-seven".