1323442331 has 8 divisors (see below), whose sum is σ = 1351374384. Its totient is φ = 1295775360.

The previous prime is 1323442301. The next prime is 1323442339. The reversal of 1323442331 is 1332443231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323442331 is a prime.

It is a super-2 number, since 2×1323442331² = 3502999206965427122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323442331.

It is not an unprimeable number, because it can be changed into a prime (1323442339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56165 + ... + 76166.

It is an arithmetic number, because the mean of its divisors is an integer number (168921798).

Almost surely, 2^1323442331 is an apocalyptic number.

1323442331 is a deficient number, since it is larger than the sum of its proper divisors (27932053).

1323442331 is a wasteful number, since it uses less digits than its factorization.

1323442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132541.

The product of its digits is 5184, while the sum is 26.

The square root of 1323442331 is about 36379.1469251273. The cubic root of 1323442331 is about 1097.9140443748.

Adding to 1323442331 its reverse (1332443231), we get a palindrome (2655885562).

The spelling of 1323442331 in words is "one billion, three hundred twenty-three million, four hundred forty-two thousand, three hundred thirty-one".