313044131444020 has 24 divisors (see below), whose sum is σ = 657395455033800. Its totient is φ = 125217123244032.

The previous prime is 313044131443951. The next prime is 313044131444069. The reversal of 313044131444020 is 20444131440313.

It can be written as a sum of positive squares in 4 ways, for example, as 1575496915344 + 311468634528676 = 1255188^2 + 17648474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28216465 + ... + 37712824.

It is an arithmetic number, because the mean of its divisors is an integer number (27391477293075).

Almost surely, 2^{313044131444020} is an apocalyptic number.

It is an amenable number.

313044131444020 is an abundant number, since it is smaller than the sum of its proper divisors (344351323589780).

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

313044131444020 is a wasteful number, since it uses less digits than its factorization.

313044131444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66166707 (or 66166705 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 313044131444020 its reverse (20444131440313), we get a palindrome (333488262884333).

The spelling of 313044131444020 in words is "three hundred thirteen trillion, forty-four billion, one hundred thirty-one million, four hundred forty-four thousand, twenty".