313331312242 has 32 divisors (see below), whose sum is σ = 508121631360. Its totient is φ = 144052170240.

The previous prime is 313331312221. The next prime is 313331312267. The reversal of 313331312242 is 242213133313.

It is a super-2 number, since 2×313331312242² (a number of 24 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 313331312242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8894259 + ... + 8929417.

It is an arithmetic number, because the mean of its divisors is an integer number (15878800980).

Almost surely, 2^313331312242 is an apocalyptic number.

313331312242 is a deficient number, since it is larger than the sum of its proper divisors (194790319118).

313331312242 is a wasteful number, since it uses less digits than its factorization.

313331312242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36498.

The product of its digits is 7776, while the sum is 28.

Adding to 313331312242 its reverse (242213133313), we get a palindrome (555544445555).

The spelling of 313331312242 in words is "three hundred thirteen billion, three hundred thirty-one million, three hundred twelve thousand, two hundred forty-two".