313311042040240 has 40 divisors (see below), whose sum is σ = 729907988814000. Its totient is φ = 125073265664256.

The previous prime is 313311042040187. The next prime is 313311042040301. The reversal of 313311042040240 is 42040240113313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 313311042040199 and 313311042040208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3924196579 + ... + 3924276418.

It is an arithmetic number, because the mean of its divisors is an integer number (18247699720350).

Almost surely, 2^{313311042040240} is an apocalyptic number.

It is an amenable number.

313311042040240 is an abundant number, since it is smaller than the sum of its proper divisors (416596946773760).

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

313311042040240 is a wasteful number, since it uses less digits than its factorization.

313311042040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848473509 (or 7848473503 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 313311042040240 its reverse (42040240113313), we get a palindrome (355351282153553).

The spelling of 313311042040240 in words is "three hundred thirteen trillion, three hundred eleven billion, forty-two million, forty thousand, two hundred forty".