312124342 has 4 divisors (see below), whose sum is σ = 468186516. Its totient is φ = 156062170.

The previous prime is 312124333. The next prime is 312124357. The reversal of 312124342 is 243421213.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78031084 + ... + 78031087.

It is an arithmetic number, because the mean of its divisors is an integer number (117046629).

Almost surely, 2^312124342 is an apocalyptic number.

312124342 is a deficient number, since it is larger than the sum of its proper divisors (156062174).

312124342 is a wasteful number, since it uses less digits than its factorization.

312124342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156062173.

The product of its digits is 1152, while the sum is 22.

The square root of 312124342 is about 17667.0411218178. The cubic root of 312124342 is about 678.3323770664.

Adding to 312124342 its reverse (243421213), we get a palindrome (555545555).

The spelling of 312124342 in words is "three hundred twelve million, one hundred twenty-four thousand, three hundred forty-two".