813325312710 has 128 divisors (see below), whose sum is σ = 2242570014720. Its totient is φ = 209539872000.

The previous prime is 813325312693. The next prime is 813325312747. The reversal of 813325312710 is 17213523318.

It is a happy number.

813325312710 is a `hidden beast` number, since 8 + 1 + 3 + 325 + 312 + 7 + 10 = 666.

It is a super-2 number, since 2×813325312710² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4949529 + ... + 5111211.

It is an arithmetic number, because the mean of its divisors is an integer number (17520078240).

Almost surely, 2^813325312710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 813325312710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121285007360).

813325312710 is an abundant number, since it is smaller than the sum of its proper divisors (1429244702010).

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

813325312710 is a wasteful number, since it uses less digits than its factorization.

813325312710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162331 (or 162325 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

It can be divided in two parts, 813 and 325312710, that added together give a palindrome (325313523).

The spelling of 813325312710 in words is "eight hundred thirteen billion, three hundred twenty-five million, three hundred twelve thousand, seven hundred ten".