312234313404 has 144 divisors (see below), whose sum is σ = 831838358400. Its totient is φ = 90860320512.

The previous prime is 312234313379. The next prime is 312234313409. The reversal of 312234313404 is 404313432213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312234313409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23613507 + ... + 23626725.

Almost surely, 2^312234313404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312234313404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415919179200).

312234313404 is an abundant number, since it is smaller than the sum of its proper divisors (519604044996).

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

312234313404 is a wasteful number, since it uses less digits than its factorization.

312234313404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13884 (or 13869 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 312234313404 its reverse (404313432213), we get a palindrome (716547745617).

The spelling of 312234313404 in words is "three hundred twelve billion, two hundred thirty-four million, three hundred thirteen thousand, four hundred four".