313231323 has 8 divisors (see below), whose sum is σ = 419150608. Its totient is φ = 208066464.

The previous prime is 313231301. The next prime is 313231327. The reversal of 313231323 is 323132313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-313231323 is a prime.

It is a super-2 number, since 2×313231323² = 196227723416660658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313231323.

It is not an unprimeable number, because it can be changed into a prime (313231327) 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 7 ways as a sum of consecutive naturals, for example, 187636 + ... + 189297.

It is an arithmetic number, because the mean of its divisors is an integer number (52393826).

Almost surely, 2^313231323 is an apocalyptic number.

313231323 is a deficient number, since it is larger than the sum of its proper divisors (105919285).

313231323 is a wasteful number, since it uses less digits than its factorization.

313231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377213.

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

The square root of 313231323 is about 17698.3423800084. The cubic root of 313231323 is about 679.1333560153.

Adding to 313231323 its reverse (323132313), we get a palindrome (636363636).

The spelling of 313231323 in words is "three hundred thirteen million, two hundred thirty-one thousand, three hundred twenty-three".