813348013340 has 12 divisors (see below), whose sum is σ = 1708030828056. Its totient is φ = 325339205328.

The previous prime is 813348013253. The next prime is 813348013349. The reversal of 813348013340 is 43310843318.

It is a junction number, because it is equal to n+sod(n) for n = 813348013294 and 813348013303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813348013349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333700314 + ... + 20333700353.

It is an arithmetic number, because the mean of its divisors is an integer number (142335902338).

Almost surely, 2^813348013340 is an apocalyptic number.

It is an amenable number.

813348013340 is an abundant number, since it is smaller than the sum of its proper divisors (894682814716).

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

813348013340 is a wasteful number, since it uses less digits than its factorization.

813348013340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40667400676 (or 40667400674 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 813348013340 its reverse (43310843318), we get a palindrome (856658856658).

The spelling of 813348013340 in words is "eight hundred thirteen billion, three hundred forty-eight million, thirteen thousand, three hundred forty".