1320340113 has 12 divisors (see below), whose sum is σ = 1912194960. Its totient is φ = 877901976.

The previous prime is 1320340019. The next prime is 1320340117. The reversal of 1320340113 is 3110430231.

1320340113 is a `hidden beast` number, since 1 + 320 + 340 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 1320340113 - 2¹⁶ = 1320274577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320340117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190131 + ... + 196952.

It is an arithmetic number, because the mean of its divisors is an integer number (159349580).

Almost surely, 2^1320340113 is an apocalyptic number.

It is an amenable number.

1320340113 is a deficient number, since it is larger than the sum of its proper divisors (591854847).

1320340113 is a wasteful number, since it uses less digits than its factorization.

1320340113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387468 (or 387465 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1320340113 is about 36336.4845988161. The cubic root of 1320340113 is about 1097.0555172449.

Adding to 1320340113 its reverse (3110430231), we get a palindrome (4430770344).

The spelling of 1320340113 in words is "one billion, three hundred twenty million, three hundred forty thousand, one hundred thirteen".