813342243318 has 32 divisors (see below), whose sum is σ = 1798874013312. Its totient is φ = 243091080000.

The previous prime is 813342243293. The next prime is 813342243319.

813342243318 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 813342243318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813342243319) 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, 84401808 + ... + 84411443.

It is an arithmetic number, because the mean of its divisors is an integer number (56214812916).

Almost surely, 2^813342243318 is an apocalyptic number.

813342243318 is an abundant number, since it is smaller than the sum of its proper divisors (985531769994).

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

813342243318 is a wasteful number, since it uses less digits than its factorization.

813342243318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168813340.

The product of its digits is 331776, while the sum is 42.

The spelling of 813342243318 in words is "eight hundred thirteen billion, three hundred forty-two million, two hundred forty-three thousand, three hundred eighteen".