1320311093 has 2 divisors, whose sum is σ = 1320311094. Its totient is φ = 1320311092.

The previous prime is 1320311089. The next prime is 1320311117. The reversal of 1320311093 is 3901130231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729918289 + 590392804 = 27017^2 + 24298^2 .

It is an emirp because it is prime and its reverse (3901130231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320311093 - 2² = 1320311089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320311593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660155546 + 660155547.

It is an arithmetic number, because the mean of its divisors is an integer number (660155547).

Almost surely, 2^1320311093 is an apocalyptic number.

It is an amenable number.

1320311093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320311093 is an equidigital number, since it uses as much as digits as its factorization.

1320311093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1320311093 is about 36336.0852734578. The cubic root of 1320311093 is about 1097.0474797238.

The spelling of 1320311093 in words is "one billion, three hundred twenty million, three hundred eleven thousand, ninety-three".