313143320220242 has 16 divisors (see below), whose sum is σ = 481322634804000. Its totient is φ = 152742957325920.

The previous prime is 313143320220239. The next prime is 313143320220317. The reversal of 313143320220242 is 242022023341313.

It is a junction number, because it is equal to n+sod(n) for n = 313143320220199 and 313143320220208.

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, 10128827867 + ... + 10128858782.

It is an arithmetic number, because the mean of its divisors is an integer number (30082664675250).

Almost surely, 2^{313143320220242} is an apocalyptic number.

313143320220242 is a deficient number, since it is larger than the sum of its proper divisors (168179314583758).

313143320220242 is a wasteful number, since it uses less digits than its factorization.

313143320220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20257686841.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 313143320220242 its reverse (242022023341313), we get a palindrome (555165343561555).

The spelling of 313143320220242 in words is "three hundred thirteen trillion, one hundred forty-three billion, three hundred twenty million, two hundred twenty thousand, two hundred forty-two".