313310340540 has 144 divisors (see below), whose sum is σ = 966716438688. Its totient is φ = 82123034112.

The previous prime is 313310340521. The next prime is 313310340547. The reversal of 313310340540 is 45043013313.

313310340540 is a `hidden beast` number, since 3 + 1 + 3 + 310 + 340 + 5 + 4 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313310340547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2889954 + ... + 2996406.

It is an arithmetic number, because the mean of its divisors is an integer number (6713308602).

Almost surely, 2^313310340540 is an apocalyptic number.

313310340540 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 313310340540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483358219344).

313310340540 is an abundant number, since it is smaller than the sum of its proper divisors (653406098148).

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

313310340540 is a wasteful number, since it uses less digits than its factorization.

313310340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106748 (or 106743 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 313310340540 its reverse (45043013313), we get a palindrome (358353353853).

The spelling of 313310340540 in words is "three hundred thirteen billion, three hundred ten million, three hundred forty thousand, five hundred forty".