1323030331 has 12 divisors (see below), whose sum is σ = 1540117200. Its totient is φ = 1133228880.

The previous prime is 1323030299. The next prime is 1323030347. The reversal of 1323030331 is 1330303231.

It is not a de Polignac number, because 1323030331 - 2⁵ = 1323030299 is a prime.

It is a super-2 number, since 2×1323030331² = 3500818513491939122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323030299 and 1323030308.

It is not an unprimeable number, because it can be changed into a prime (1323030931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67186 + ... + 84616.

It is an arithmetic number, because the mean of its divisors is an integer number (128343100).

Almost surely, 2^1323030331 is an apocalyptic number.

1323030331 is a deficient number, since it is larger than the sum of its proper divisors (217086869).

1323030331 is a wasteful number, since it uses less digits than its factorization.

1323030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18994 (or 18987 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 1323030331 is about 36373.4838996761. The cubic root of 1323030331 is about 1097.8001022399.

Adding to 1323030331 its reverse (1330303231), we get a palindrome (2653333562).

The spelling of 1323030331 in words is "one billion, three hundred twenty-three million, thirty thousand, three hundred thirty-one".