312036420 has 48 divisors (see below), whose sum is σ = 886753728. Its totient is φ = 81966720.

The previous prime is 312036419. The next prime is 312036451. The reversal of 312036420 is 24630213.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34791 + ... + 42830.

It is an arithmetic number, because the mean of its divisors is an integer number (18474036).

Almost surely, 2^312036420 is an apocalyptic number.

312036420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312036420 is an abundant number, since it is smaller than the sum of its proper divisors (574717308).

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

312036420 is a wasteful number, since it uses less digits than its factorization.

312036420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77700 (or 77698 counting only the distinct ones).

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

The square root of 312036420 is about 17664.5526408115. The cubic root of 312036420 is about 678.2686781574.

Adding to 312036420 its reverse (24630213), we get a palindrome (336666633).

The spelling of 312036420 in words is "three hundred twelve million, thirty-six thousand, four hundred twenty".