313002340140 has 144 divisors (see below), whose sum is σ = 1019692431072. Its totient is φ = 71529421824.

The previous prime is 313002340129. The next prime is 313002340141. The reversal of 313002340140 is 41043200313.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (313002340141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26845192 + ... + 26856848.

It is an arithmetic number, because the mean of its divisors is an integer number (7081197438).

Almost surely, 2^313002340140 is an apocalyptic number.

313002340140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313002340140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509846215536).

313002340140 is an abundant number, since it is smaller than the sum of its proper divisors (706690090932).

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

313002340140 is a wasteful number, since it uses less digits than its factorization.

313002340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20816 (or 20807 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 313002340140 its reverse (41043200313), we get a palindrome (354045540453).

The spelling of 313002340140 in words is "three hundred thirteen billion, two million, three hundred forty thousand, one hundred forty".