1013312343208 has 128 divisors (see below), whose sum is σ = 2235464542080. Its totient is φ = 425479127040.

The previous prime is 1013312343187. The next prime is 1013312343209. The reversal of 1013312343208 is 8023432133101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013312343208.

It is not an unprimeable number, because it can be changed into a prime (1013312343209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27746016 + ... + 27782512.

It is an arithmetic number, because the mean of its divisors is an integer number (17464566735).

Almost surely, 2^{1013312343208} 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 1013312343208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117732271040).

1013312343208 is an abundant number, since it is smaller than the sum of its proper divisors (1222152198872).

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

1013312343208 is a wasteful number, since it uses less digits than its factorization.

1013312343208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36875 (or 36871 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 1013312343208 its reverse (8023432133101), we get a palindrome (9036744476309).

The spelling of 1013312343208 in words is "one trillion, thirteen billion, three hundred twelve million, three hundred forty-three thousand, two hundred eight".