1323330231 has 32 divisors (see below), whose sum is σ = 1879303680. Its totient is φ = 826563584.

The previous prime is 1323330223. The next prime is 1323330247. The reversal of 1323330231 is 1320333231.

It is a cyclic number.

It is not a de Polignac number, because 1323330231 - 2³ = 1323330223 is a prime.

It is a super-2 number, since 2×1323330231² = 3502405800557026722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323330198 and 1323330207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323330431) 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 31 ways as a sum of consecutive naturals, for example, 692980 + ... + 694886.

It is an arithmetic number, because the mean of its divisors is an integer number (58728240).

Almost surely, 2^1323330231 is an apocalyptic number.

1323330231 is a deficient number, since it is larger than the sum of its proper divisors (555973449).

1323330231 is a wasteful number, since it uses less digits than its factorization.

1323330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1323330231 is about 36377.6061746784. The cubic root of 1323330231 is about 1097.8830445001.

Adding to 1323330231 its reverse (1320333231), we get a palindrome (2643663462).

The spelling of 1323330231 in words is "one billion, three hundred twenty-three million, three hundred thirty thousand, two hundred thirty-one".