1320322113 has 60 divisors (see below), whose sum is σ = 2189935440. Its totient is φ = 792087120.

The previous prime is 1320322111. The next prime is 1320322117. The reversal of 1320322113 is 3112230231.

It is not a de Polignac number, because 1320322113 - 2¹ = 1320322111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320322111) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1048078 + ... + 1049336.

It is an arithmetic number, because the mean of its divisors is an integer number (36498924).

Almost surely, 2^1320322113 is an apocalyptic number.

It is an amenable number.

1320322113 is a deficient number, since it is larger than the sum of its proper divisors (869613327).

1320322113 is a wasteful number, since it uses less digits than its factorization.

1320322113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1380 counting only the distinct ones).

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

The square root of 1320322113 is about 36336.2369130321. The cubic root of 1320322113 is about 1097.0505318908.

Adding to 1320322113 its reverse (3112230231), we get a palindrome (4432552344).

The spelling of 1320322113 in words is "one billion, three hundred twenty million, three hundred twenty-two thousand, one hundred thirteen".