312020404 has 12 divisors (see below), whose sum is σ = 557653824. Its totient is φ = 152690744.

The previous prime is 312020399. The next prime is 312020441. The reversal of 312020404 is 404020213.

312020404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 829654 + ... + 830029.

It is an arithmetic number, because the mean of its divisors is an integer number (46471152).

Almost surely, 2^312020404 is an apocalyptic number.

It is an amenable number.

312020404 is a deficient number, since it is larger than the sum of its proper divisors (245633420).

312020404 is a wasteful number, since it uses less digits than its factorization.

312020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659734 (or 1659732 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 312020404 is about 17664.0992977281. The cubic root of 312020404 is about 678.2570733827.

Adding to 312020404 its reverse (404020213), we get a palindrome (716040617).

The spelling of 312020404 in words is "three hundred twelve million, twenty thousand, four hundred four".