313220045211344 has 30 divisors (see below), whose sum is σ = 617324001526290. Its totient is φ = 153955615415488.

The previous prime is 313220045211313. The next prime is 313220045211389. The reversal of 313220045211344 is 443112540022313.

It can be written as a sum of positive squares in only one way, i.e., 288287120160400 + 24932925050944 = 16979020^2 + 4993288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811816299 + ... + 2811927690.

It is an arithmetic number, because the mean of its divisors is an integer number (20577466717543).

Almost surely, 2^{313220045211344} is an apocalyptic number.

It is an amenable number.

313220045211344 is a deficient number, since it is larger than the sum of its proper divisors (304103956314946).

313220045211344 is an equidigital number, since it uses as much as digits as its factorization.

313220045211344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623744115 (or 5623744050 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 313220045211344 its reverse (443112540022313), we get a palindrome (756332585233657).

The spelling of 313220045211344 in words is "three hundred thirteen trillion, two hundred twenty billion, forty-five million, two hundred eleven thousand, three hundred forty-four".