313144550405 has 16 divisors (see below), whose sum is σ = 388960272000. Its totient is φ = 241734615360.

The previous prime is 313144550377. The next prime is 313144550417. The reversal of 313144550405 is 504055441313.

It is not a de Polignac number, because 313144550405 - 2⁸ = 313144550149 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 389201 + ... + 881910.

It is an arithmetic number, because the mean of its divisors is an integer number (24310017000).

Almost surely, 2^313144550405 is an apocalyptic number.

It is an amenable number.

313144550405 is a deficient number, since it is larger than the sum of its proper divisors (75815721595).

313144550405 is a wasteful number, since it uses less digits than its factorization.

313144550405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272844.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 313144550405 its reverse (504055441313), we get a palindrome (817199991718).

The spelling of 313144550405 in words is "three hundred thirteen billion, one hundred forty-four million, five hundred fifty thousand, four hundred five".