313111321313244 has 12 divisors (see below), whose sum is σ = 730593083064264. Its totient is φ = 104370440437744.

The previous prime is 313111321313239. The next prime is 313111321313251. The reversal of 313111321313244 is 442313123111313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 13046305054707 + ... + 13046305054730.

It is an arithmetic number, because the mean of its divisors is an integer number (60882756922022).

Almost surely, 2^{313111321313244} is an apocalyptic number.

It is an amenable number.

313111321313244 is an abundant number, since it is smaller than the sum of its proper divisors (417481761751020).

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

313111321313244 is a wasteful number, since it uses less digits than its factorization.

313111321313244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26092610109444 (or 26092610109442 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

Adding to 313111321313244 its reverse (442313123111313), we get a palindrome (755424444424557).

The spelling of 313111321313244 in words is "three hundred thirteen trillion, one hundred eleven billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred forty-four".