123313431313 has 8 divisors (see below), whose sum is σ = 127306195200. Its totient is φ = 119321599440.

The previous prime is 123313431299. The next prime is 123313431337. The reversal of 123313431313 is 313134313321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123313431313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123313434313) 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, 41031 + ... + 498307.

It is an arithmetic number, because the mean of its divisors is an integer number (15913274400).

Almost surely, 2^123313431313 is an apocalyptic number.

It is an amenable number.

123313431313 is a deficient number, since it is larger than the sum of its proper divisors (3992763887).

123313431313 is an equidigital number, since it uses as much as digits as its factorization.

123313431313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466007.

The product of its digits is 5832, while the sum is 28.

Adding to 123313431313 its reverse (313134313321), we get a palindrome (436447744634).

The spelling of 123313431313 in words is "one hundred twenty-three billion, three hundred thirteen million, four hundred thirty-one thousand, three hundred thirteen".