1320331411 has 6 divisors (see below), whose sum is σ = 1535895780. Its totient is φ = 1131712596.

The previous prime is 1320331403. The next prime is 1320331427. The reversal of 1320331411 is 1141330231.

It is not a de Polignac number, because 1320331411 - 2³ = 1320331403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320331471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13472721 + ... + 13472818.

It is an arithmetic number, because the mean of its divisors is an integer number (255982630).

Almost surely, 2^1320331411 is an apocalyptic number.

1320331411 is a deficient number, since it is larger than the sum of its proper divisors (215564369).

1320331411 is an equidigital number, since it uses as much as digits as its factorization.

1320331411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26945553 (or 26945546 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1320331411 is about 36336.3648567107. The cubic root of 1320331411 is about 1097.0531071088.

Adding to 1320331411 its reverse (1141330231), we get a palindrome (2461661642).

The spelling of 1320331411 in words is "one billion, three hundred twenty million, three hundred thirty-one thousand, four hundred eleven".