313021230323 has 4 divisors (see below), whose sum is σ = 313554486840. Its totient is φ = 312487973808.

The previous prime is 313021230317. The next prime is 313021230359. The reversal of 313021230323 is 323032120313.

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 313021230323 - 2¹⁰ = 313021229299 is a prime.

It is a super-2 number, since 2×313021230323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313021230373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266627378 + ... + 266628551.

It is an arithmetic number, because the mean of its divisors is an integer number (78388621710).

Almost surely, 2^313021230323 is an apocalyptic number.

313021230323 is a deficient number, since it is larger than the sum of its proper divisors (533256517).

313021230323 is an equidigital number, since it uses as much as digits as its factorization.

313021230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533256516.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 313021230323 its reverse (323032120313), we get a palindrome (636053350636).

The spelling of 313021230323 in words is "three hundred thirteen billion, twenty-one million, two hundred thirty thousand, three hundred twenty-three".