312322404 has 12 divisors (see below), whose sum is σ = 728752304. Its totient is φ = 104107464.

The previous prime is 312322403. The next prime is 312322433. The reversal of 312322404 is 404223213.

312322404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (312322403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13013422 + ... + 13013445.

Almost surely, 2^312322404 is an apocalyptic number.

It is an amenable number.

312322404 is an abundant number, since it is smaller than the sum of its proper divisors (416429900).

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

312322404 is a wasteful number, since it uses less digits than its factorization.

312322404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26026874 (or 26026872 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 312322404 is about 17672.6456423480. The cubic root of 312322404 is about 678.4758278658.

Adding to 312322404 its reverse (404223213), we get a palindrome (716545617).

The spelling of 312322404 in words is "three hundred twelve million, three hundred twenty-two thousand, four hundred four".