312312044 has 48 divisors (see below), whose sum is σ = 631653120. Its totient is φ = 133623360.

The previous prime is 312312037. The next prime is 312312067. The reversal of 312312044 is 440213213.

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 15 ways as a sum of consecutive naturals, for example, 138494 + ... + 140730.

It is an arithmetic number, because the mean of its divisors is an integer number (13159440).

Almost surely, 2^312312044 is an apocalyptic number.

It is an amenable number.

312312044 is an abundant number, since it is smaller than the sum of its proper divisors (319341076).

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

312312044 is a wasteful number, since it uses less digits than its factorization.

312312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 312312044 is about 17672.3525315675. The cubic root of 312312044 is about 678.4683259092.

Adding to 312312044 its reverse (440213213), we get a palindrome (752525257).

The spelling of 312312044 in words is "three hundred twelve million, three hundred twelve thousand, forty-four".