313141222540 has 24 divisors (see below), whose sum is σ = 657925943472. Its totient is φ = 125193750720.

The previous prime is 313141222517. The next prime is 313141222553. The reversal of 313141222540 is 45222141313.

It is a junction number, because it is equal to n+sod(n) for n = 313141222499 and 313141222508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3880206 + ... + 3960085.

It is an arithmetic number, because the mean of its divisors is an integer number (27413580978).

Almost surely, 2^313141222540 is an apocalyptic number.

It is an amenable number.

313141222540 is an abundant number, since it is smaller than the sum of its proper divisors (344784720932).

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

313141222540 is a wasteful number, since it uses less digits than its factorization.

313141222540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7842297 (or 7842295 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 313141222540 its reverse (45222141313), we get a palindrome (358363363853).

The spelling of 313141222540 in words is "three hundred thirteen billion, one hundred forty-one million, two hundred twenty-two thousand, five hundred forty".