313224013144 has 64 divisors (see below), whose sum is σ = 729311385600. Its totient is φ = 123071270400.

The previous prime is 313224013121. The next prime is 313224013159. The reversal of 313224013144 is 441310422313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4715137 + ... + 4781104.

It is an arithmetic number, because the mean of its divisors is an integer number (11395490400).

Almost surely, 2^313224013144 is an apocalyptic number.

It is an amenable number.

313224013144 is an abundant number, since it is smaller than the sum of its proper divisors (416087372456).

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

313224013144 is a wasteful number, since it uses less digits than its factorization.

313224013144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9496304 (or 9496300 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 313224013144 its reverse (441310422313), we get a palindrome (754534435457).

The spelling of 313224013144 in words is "three hundred thirteen billion, two hundred twenty-four million, thirteen thousand, one hundred forty-four".