318213844024389 has 8 divisors (see below), whose sum is σ = 432290505089952. Its totient is φ = 208139872820880.

The previous prime is 318213844024387. The next prime is 318213844024459. The reversal of 318213844024389 is 983420448312813.

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

It is not a de Polignac number, because 318213844024389 - 2¹ = 318213844024387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318213844024381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000672465327 + ... + 1000672465644.

It is an arithmetic number, because the mean of its divisors is an integer number (54036313136244).

Almost surely, 2^{318213844024389} is an apocalyptic number.

It is an amenable number.

318213844024389 is a deficient number, since it is larger than the sum of its proper divisors (114076661065563).

318213844024389 is a wasteful number, since it uses less digits than its factorization.

318213844024389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001344931027.

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 318213844024389 in words is "three hundred eighteen trillion, two hundred thirteen billion, eight hundred forty-four million, twenty-four thousand, three hundred eighty-nine".