1313313323 has 4 divisors (see below), whose sum is σ = 1500929520. Its totient is φ = 1125697128.

The previous prime is 1313313319. The next prime is 1313313367. The reversal of 1313313323 is 3233133131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313313323 - 2² = 1313313319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313312323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93808088 + ... + 93808101.

It is an arithmetic number, because the mean of its divisors is an integer number (375232380).

Almost surely, 2^1313313323 is an apocalyptic number.

1313313323 is a deficient number, since it is larger than the sum of its proper divisors (187616197).

1313313323 is an equidigital number, since it uses as much as digits as its factorization.

1313313323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187616196.

The product of its digits is 1458, while the sum is 23.

The square root of 1313313323 is about 36239.6650508804. The cubic root of 1313313323 is about 1095.1058946955.

Adding to 1313313323 its reverse (3233133131), we get a palindrome (4546446454).

The spelling of 1313313323 in words is "one billion, three hundred thirteen million, three hundred thirteen thousand, three hundred twenty-three".