312122334 has 16 divisors (see below), whose sum is σ = 624487680. Its totient is φ = 104000280.

The previous prime is 312122333. The next prime is 312122341. The reversal of 312122334 is 433221213.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312122334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312122333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9499 + ... + 26729.

It is an arithmetic number, because the mean of its divisors is an integer number (39030480).

Almost surely, 2^312122334 is an apocalyptic number.

312122334 is an abundant number, since it is smaller than the sum of its proper divisors (312365346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312122334 is a wasteful number, since it uses less digits than its factorization.

312122334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255.

The product of its digits is 864, while the sum is 21.

The square root of 312122334 is about 17666.9842927422. The cubic root of 312122334 is about 678.3309224171.

Adding to 312122334 its reverse (433221213), we get a palindrome (745343547).

The spelling of 312122334 in words is "three hundred twelve million, one hundred twenty-two thousand, three hundred thirty-four".