312000443304 has 64 divisors (see below), whose sum is σ = 880252056000. Its totient is φ = 91285393920.

The previous prime is 312000443273. The next prime is 312000443327. The reversal of 312000443304 is 403344000213.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 20368549 + ... + 20383860.

It is an arithmetic number, because the mean of its divisors is an integer number (13753938375).

Almost surely, 2^312000443304 is an apocalyptic number.

It is an amenable number.

312000443304 is an abundant number, since it is smaller than the sum of its proper divisors (568251612696).

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

312000443304 is a wasteful number, since it uses less digits than its factorization.

312000443304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40752458 (or 40752454 counting only the distinct ones).

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

Adding to 312000443304 its reverse (403344000213), we get a palindrome (715344443517).

The spelling of 312000443304 in words is "three hundred twelve billion, four hundred forty-three thousand, three hundred four".