313111223030344 has 8 divisors (see below), whose sum is σ = 587083543181910. Its totient is φ = 156555611515168.

The previous prime is 313111223030303. The next prime is 313111223030363. The reversal of 313111223030344 is 443030322111313.

It can be written as a sum of positive squares in only one way, i.e., 268830849107844 + 44280373922500 = 16396062^2 + 6654350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19569451439389 + ... + 19569451439404.

Almost surely, 2^{313111223030344} is an apocalyptic number.

It is an amenable number.

313111223030344 is a deficient number, since it is larger than the sum of its proper divisors (273972320151566).

313111223030344 is a wasteful number, since it uses less digits than its factorization.

313111223030344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39138902878799 (or 39138902878795 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 313111223030344 its reverse (443030322111313), we get a palindrome (756141545141657).

The spelling of 313111223030344 in words is "three hundred thirteen trillion, one hundred eleven billion, two hundred twenty-three million, thirty thousand, three hundred forty-four".