1323303311 has 12 divisors (see below), whose sum is σ = 1481991336. Its totient is φ = 1180299120.

The previous prime is 1323303301. The next prime is 1323303361. The reversal of 1323303311 is 1133033231.

It is not a de Polignac number, because 1323303311 - 2²² = 1319109007 is a prime.

It is a super-2 number, since 2×1323303311² = 3502263305807125442, 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 (1323303301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96761 + ... + 109586.

It is an arithmetic number, because the mean of its divisors is an integer number (123499278).

Almost surely, 2^1323303311 is an apocalyptic number.

1323303311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1323303311 is a deficient number, since it is larger than the sum of its proper divisors (158688025).

1323303311 is a wasteful number, since it uses less digits than its factorization.

1323303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206422 (or 206411 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1323303311 is about 36377.2361649425. The cubic root of 1323303311 is about 1097.8755998448.

Adding to 1323303311 its reverse (1133033231), we get a palindrome (2456336542).

The spelling of 1323303311 in words is "one billion, three hundred twenty-three million, three hundred three thousand, three hundred eleven".