313212242 has 8 divisors (see below), whose sum is σ = 536935296. Its totient is φ = 134233812.

The previous prime is 313212241. The next prime is 313212253. The reversal of 313212242 is 242212313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (313212241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11186138 + ... + 11186165.

It is an arithmetic number, because the mean of its divisors is an integer number (67116912).

Almost surely, 2^313212242 is an apocalyptic number.

313212242 is a deficient number, since it is larger than the sum of its proper divisors (223723054).

313212242 is a wasteful number, since it uses less digits than its factorization.

313212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22372312.

The product of its digits is 576, while the sum is 20.

The square root of 313212242 is about 17697.8033100156. The cubic root of 313212242 is about 679.1195655610.

Adding to 313212242 its reverse (242212313), we get a palindrome (555424555).

The spelling of 313212242 in words is "three hundred thirteen million, two hundred twelve thousand, two hundred forty-two".