311412242 has 8 divisors (see below), whose sum is σ = 491703600. Its totient is φ = 147511044.

The previous prime is 311412217. The next prime is 311412263. The reversal of 311412242 is 242214113.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4097492 + ... + 4097567.

It is an arithmetic number, because the mean of its divisors is an integer number (61462950).

Almost surely, 2^311412242 is an apocalyptic number.

311412242 is a deficient number, since it is larger than the sum of its proper divisors (180291358).

311412242 is a wasteful number, since it uses less digits than its factorization.

311412242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8195080.

The product of its digits is 384, while the sum is 20.

The square root of 311412242 is about 17646.8762674871. The cubic root of 311412242 is about 677.8161209538.

Adding to 311412242 its reverse (242214113), we get a palindrome (553626355).

The spelling of 311412242 in words is "three hundred eleven million, four hundred twelve thousand, two hundred forty-two".