313304021444 has 12 divisors (see below), whose sum is σ = 548288985468. Its totient is φ = 156650025600.

The previous prime is 313304021413. The next prime is 313304021461. The reversal of 313304021444 is 444120403313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79326722500 + 233977298944 = 281650^2 + 483712^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107297 + ... + 798824.

It is an arithmetic number, because the mean of its divisors is an integer number (45690748789).

Almost surely, 2^313304021444 is an apocalyptic number.

It is an amenable number.

313304021444 is a deficient number, since it is larger than the sum of its proper divisors (234984964024).

313304021444 is a wasteful number, since it uses less digits than its factorization.

313304021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992566 (or 992564 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 313304021444 its reverse (444120403313), we get a palindrome (757424424757).

The spelling of 313304021444 in words is "three hundred thirteen billion, three hundred four million, twenty-one thousand, four hundred forty-four".