312032444342143 has 12 divisors (see below), whose sum is σ = 363063792074880. Its totient is φ = 267392072832192.

The previous prime is 312032444342131. The next prime is 312032444342147. The reversal of 312032444342143 is 341243444230213.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-312032444342143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312032444342096 and 312032444342105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312032444342147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765365946 + ... + 765773527.

It is an arithmetic number, because the mean of its divisors is an integer number (30255316006240).

Almost surely, 2^{312032444342143} is an apocalyptic number.

312032444342143 is a deficient number, since it is larger than the sum of its proper divisors (51031347732737).

312032444342143 is a wasteful number, since it uses less digits than its factorization.

312032444342143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531143646 (or 1531143639 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 312032444342143 its reverse (341243444230213), we get a palindrome (653275888572356).

The spelling of 312032444342143 in words is "three hundred twelve trillion, thirty-two billion, four hundred forty-four million, three hundred forty-two thousand, one hundred forty-three".