312442334 has 4 divisors (see below), whose sum is σ = 468663504. Its totient is φ = 156221166.

The previous prime is 312442309. The next prime is 312442357. The reversal of 312442334 is 433244213.

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

It is a Curzon number.

It is a nialpdrome in base 12.

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, 78110582 + ... + 78110585.

It is an arithmetic number, because the mean of its divisors is an integer number (117165876).

Almost surely, 2^312442334 is an apocalyptic number.

312442334 is a deficient number, since it is larger than the sum of its proper divisors (156221170).

312442334 is a wasteful number, since it uses less digits than its factorization.

312442334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156221169.

The product of its digits is 6912, while the sum is 26.

The square root of 312442334 is about 17676.0384136265. The cubic root of 312442334 is about 678.5626603526.

Adding to 312442334 its reverse (433244213), we get a palindrome (745686547).

The spelling of 312442334 in words is "three hundred twelve million, four hundred forty-two thousand, three hundred thirty-four".