312312234 has 64 divisors (see below), whose sum is σ = 716889600. Its totient is φ = 89906112.

The previous prime is 312312167. The next prime is 312312241. The reversal of 312312234 is 432213213.

It is a self number, because there is not a number n which added to its sum of digits gives 312312234.

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 31 ways as a sum of consecutive naturals, for example, 121737 + ... + 124275.

It is an arithmetic number, because the mean of its divisors is an integer number (11201400).

Almost surely, 2^312312234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312312234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358444800).

312312234 is an abundant number, since it is smaller than the sum of its proper divisors (404577366).

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

312312234 is a wasteful number, since it uses less digits than its factorization.

312312234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659.

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

The square root of 312312234 is about 17672.3579071951. The cubic root of 312312234 is about 678.4684634949.

Adding to 312312234 its reverse (432213213), we get a palindrome (744525447).

The spelling of 312312234 in words is "three hundred twelve million, three hundred twelve thousand, two hundred thirty-four".