1320300311 has 4 divisors (see below), whose sum is σ = 1440327624. Its totient is φ = 1200273000.

The previous prime is 1320300299. The next prime is 1320300431. The reversal of 1320300311 is 1130030231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1130030231 = 11 ⋅102730021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320300311 is a prime.

It is a super-2 number, since 2×1320300311² = 3486385822453393442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320300811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60013640 + ... + 60013661.

It is an arithmetic number, because the mean of its divisors is an integer number (360081906).

Almost surely, 2^1320300311 is an apocalyptic number.

1320300311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320300311 is a deficient number, since it is larger than the sum of its proper divisors (120027313).

1320300311 is a wasteful number, since it uses less digits than its factorization.

1320300311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120027312.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1320300311 is about 36335.9369082455. The cubic root of 1320300311 is about 1097.0444934584.

Adding to 1320300311 its reverse (1130030231), we get a palindrome (2450330542).

The spelling of 1320300311 in words is "one billion, three hundred twenty million, three hundred thousand, three hundred eleven".