1680180311 has 2 divisors, whose sum is σ = 1680180312. Its totient is φ = 1680180310.

The previous prime is 1680180289. The next prime is 1680180331. The reversal of 1680180311 is 1130810861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1680180311 - 2⁶ = 1680180247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1680180331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840090155 + 840090156.

It is an arithmetic number, because the mean of its divisors is an integer number (840090156).

Almost surely, 2^1680180311 is an apocalyptic number.

1680180311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680180311 is an equidigital number, since it uses as much as digits as its factorization.

1680180311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1680180311 is about 40990.0025737984. The cubic root of 1680180311 is about 1188.8269189721.

The spelling of 1680180311 in words is "one billion, six hundred eighty million, one hundred eighty thousand, three hundred eleven".