312343404 has 48 divisors (see below), whose sum is σ = 773418240. Its totient is φ = 97894720.

The previous prime is 312343399. The next prime is 312343411. The reversal of 312343404 is 404343213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6694 + ... + 25874.

It is an arithmetic number, because the mean of its divisors is an integer number (16112880).

Almost surely, 2^312343404 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 312343404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386709120).

312343404 is an abundant number, since it is smaller than the sum of its proper divisors (461074836).

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

312343404 is a wasteful number, since it uses less digits than its factorization.

312343404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270 (or 19268 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 312343404 is about 17673.2397709079. The cubic root of 312343404 is about 678.4910340255.

Adding to 312343404 its reverse (404343213), we get a palindrome (716686617).

The spelling of 312343404 in words is "three hundred twelve million, three hundred forty-three thousand, four hundred four".