1320211093 has 2 divisors, whose sum is σ = 1320211094. Its totient is φ = 1320211092.

The previous prime is 1320211091. The next prime is 1320211117. The reversal of 1320211093 is 3901120231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1194255364 + 125955729 = 34558^2 + 11223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320211093 - 2¹ = 1320211091 is a prime.

Together with 1320211091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320211091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660105546 + 660105547.

It is an arithmetic number, because the mean of its divisors is an integer number (660105547).

Almost surely, 2^1320211093 is an apocalyptic number.

It is an amenable number.

1320211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320211093 is an equidigital number, since it uses as much as digits as its factorization.

1320211093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1320211093 is about 36334.7092048361. The cubic root of 1320211093 is about 1097.0197823328.

The spelling of 1320211093 in words is "one billion, three hundred twenty million, two hundred eleven thousand, ninety-three".