312444242 has 8 divisors (see below), whose sum is σ = 511272432. Its totient is φ = 142020100.

The previous prime is 312444229. The next prime is 312444311. The reversal of 312444242 is 242444213.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7100984 + ... + 7101027.

It is an arithmetic number, because the mean of its divisors is an integer number (63909054).

Almost surely, 2^312444242 is an apocalyptic number.

312444242 is a deficient number, since it is larger than the sum of its proper divisors (198828190).

312444242 is a wasteful number, since it uses less digits than its factorization.

312444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202024.

The product of its digits is 6144, while the sum is 26.

The square root of 312444242 is about 17676.0923849136. The cubic root of 312444242 is about 678.5640416154.

Adding to 312444242 its reverse (242444213), we get a palindrome (554888455).

The spelling of 312444242 in words is "three hundred twelve million, four hundred forty-four thousand, two hundred forty-two".