312143448 has 32 divisors (see below), whose sum is σ = 783039600. Its totient is φ = 103690368.

The previous prime is 312143423. The next prime is 312143449. The reversal of 312143448 is 844341213.

312143448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312143449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15163 + ... + 29226.

Almost surely, 2^312143448 is an apocalyptic number.

It is an amenable number.

312143448 is an abundant number, since it is smaller than the sum of its proper divisors (470896152).

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

312143448 is a wasteful number, since it uses less digits than its factorization.

312143448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44691 (or 44687 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 312143448 is about 17667.5818379313. The cubic root of 312143448 is about 678.3462176551.

The spelling of 312143448 in words is "three hundred twelve million, one hundred forty-three thousand, four hundred forty-eight".