1323544313 has 16 divisors (see below), whose sum is σ = 1714715520. Its totient is φ = 992082816.

The previous prime is 1323544309. The next prime is 1323544319. The reversal of 1323544313 is 3134453231.

It is a cyclic number.

It is not a de Polignac number, because 1323544313 - 2² = 1323544309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1323544319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381020 + ... + 384477.

It is an arithmetic number, because the mean of its divisors is an integer number (107169720).

Almost surely, 2^1323544313 is an apocalyptic number.

1323544313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323544313 is a deficient number, since it is larger than the sum of its proper divisors (391171207).

1323544313 is a wasteful number, since it uses less digits than its factorization.

1323544313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765536.

The product of its digits is 12960, while the sum is 29.

The square root of 1323544313 is about 36380.5485527637. The cubic root of 1323544313 is about 1097.9422447206.

Adding to 1323544313 its reverse (3134453231), we get a palindrome (4457997544).

The spelling of 1323544313 in words is "one billion, three hundred twenty-three million, five hundred forty-four thousand, three hundred thirteen".