313056342656 has 128 divisors (see below), whose sum is σ = 647391225600. Its totient is φ = 150704160768.

The previous prime is 313056342653. The next prime is 313056342689. The reversal of 313056342656 is 656243650313.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (313056342653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94491656 + ... + 94494968.

It is an arithmetic number, because the mean of its divisors is an integer number (5057743950).

Almost surely, 2^313056342656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313056342656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323695612800).

313056342656 is an abundant number, since it is smaller than the sum of its proper divisors (334334882944).

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

313056342656 is a wasteful number, since it uses less digits than its factorization.

313056342656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 44.

Adding to 313056342656 its reverse (656243650313), we get a palindrome (969299992969).

The spelling of 313056342656 in words is "three hundred thirteen billion, fifty-six million, three hundred forty-two thousand, six hundred fifty-six".