313844431005 has 40 divisors (see below), whose sum is σ = 642965951232. Its totient is φ = 143471738592.

The previous prime is 313844431001. The next prime is 313844431027. The reversal of 313844431005 is 500134448313.

313844431005 is a `hidden beast` number, since 31 + 3 + 84 + 443 + 100 + 5 = 666.

It is not a de Polignac number, because 313844431005 - 2² = 313844431001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313844431001) 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 39 ways as a sum of consecutive naturals, for example, 55348917 + ... + 55354586.

Almost surely, 2^313844431005 is an apocalyptic number.

313844431005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313844431005 is an abundant number, since it is smaller than the sum of its proper divisors (329121520227).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313844431005 is a wasteful number, since it uses less digits than its factorization.

313844431005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110703527 (or 110703518 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 313844431005 its reverse (500134448313), we get a palindrome (813978879318).

The spelling of 313844431005 in words is "three hundred thirteen billion, eight hundred forty-four million, four hundred thirty-one thousand, five".