813431222134318 has 8 divisors (see below), whose sum is σ = 1220187425022360. Its totient is φ = 406702080460200.

The previous prime is 813431222134313. The next prime is 813431222134327.

813431222134318 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813431222134313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6765228333 + ... + 6765348568.

It is an arithmetic number, because the mean of its divisors is an integer number (152523428127795).

Almost surely, 2^{813431222134318} is an apocalyptic number.

813431222134318 is a deficient number, since it is larger than the sum of its proper divisors (406756202888042).

813431222134318 is a wasteful number, since it uses less digits than its factorization.

813431222134318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530606962.

The product of its digits is 663552, while the sum is 46.

The spelling of 813431222134318 in words is "eight hundred thirteen trillion, four hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-four thousand, three hundred eighteen".