318355013452 has 96 divisors (see below), whose sum is σ = 685867133952. Its totient is φ = 126341462016.

The previous prime is 318355013401. The next prime is 318355013491. The reversal of 318355013452 is 254310553813.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3078328 + ... + 3180064.

It is an arithmetic number, because the mean of its divisors is an integer number (7144449312).

Almost surely, 2^318355013452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318355013452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342933566976).

318355013452 is an abundant number, since it is smaller than the sum of its proper divisors (367512120500).

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

318355013452 is a wasteful number, since it uses less digits than its factorization.

318355013452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101927 (or 101925 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 318355013452 in words is "three hundred eighteen billion, three hundred fifty-five million, thirteen thousand, four hundred fifty-two".