313310443243242 has 16 divisors (see below), whose sum is σ = 648228503262240. Its totient is φ = 100835544951792.

The previous prime is 313310443243181. The next prime is 313310443243243. The reversal of 313310443243242 is 242342344013313.

It is a super-2 number, since 2×313310443243242² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313310443243242.

It is not an unprimeable number, because it can be changed into a prime (313310443243243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900317365468 + ... + 900317365815.

It is an arithmetic number, because the mean of its divisors is an integer number (40514281453890).

Almost surely, 2^{313310443243242} is an apocalyptic number.

313310443243242 is an abundant number, since it is smaller than the sum of its proper divisors (334918060018998).

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

313310443243242 is a wasteful number, since it uses less digits than its factorization.

313310443243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800634731317.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 313310443243242 its reverse (242342344013313), we get a palindrome (555652787256555).

The spelling of 313310443243242 in words is "three hundred thirteen trillion, three hundred ten billion, four hundred forty-three million, two hundred forty-three thousand, two hundred forty-two".