313224642 has 48 divisors (see below), whose sum is σ = 702393120. Its totient is φ = 100812096.

The previous prime is 313224641. The next prime is 313224673. The reversal of 313224642 is 246422313.

313224642 is a `hidden beast` number, since 3 + 13 + 2 + 2 + 4 + 642 = 666.

It is not an unprimeable number, because it can be changed into a prime (313224641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66613 + ... + 71159.

It is an arithmetic number, because the mean of its divisors is an integer number (14633190).

Almost surely, 2^313224642 is an apocalyptic number.

313224642 is an abundant number, since it is smaller than the sum of its proper divisors (389168478).

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

313224642 is a wasteful number, since it uses less digits than its factorization.

313224642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687 (or 4684 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 313224642 is about 17698.1536325121. The cubic root of 313224642 is about 679.1285275048.

Adding to 313224642 its reverse (246422313), we get a palindrome (559646955).

The spelling of 313224642 in words is "three hundred thirteen million, two hundred twenty-four thousand, six hundred forty-two".