813441307308 has 48 divisors (see below), whose sum is σ = 2243976026880. Its totient is φ = 224397601344.

The previous prime is 813441307249. The next prime is 813441307313. The reversal of 813441307308 is 803703144318.

813441307308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 813441307308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166960066 + ... + 166964937.

It is an arithmetic number, because the mean of its divisors is an integer number (46749500560).

Almost surely, 2^813441307308 is an apocalyptic number.

It is an amenable number.

813441307308 is an abundant number, since it is smaller than the sum of its proper divisors (1430534719572).

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

813441307308 is a wasteful number, since it uses less digits than its factorization.

813441307308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333925046 (or 333925044 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 813441307308 in words is "eight hundred thirteen billion, four hundred forty-one million, three hundred seven thousand, three hundred eight".