312142003 has 4 divisors (see below), whose sum is σ = 312177600. Its totient is φ = 312106408.

The previous prime is 312141967. The next prime is 312142043. The reversal of 312142003 is 300241213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 300241213 = 229 ⋅1311097.

It is a cyclic number.

It is not a de Polignac number, because 312142003 - 2⁹ = 312141491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312142043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5673 + ... + 25621.

It is an arithmetic number, because the mean of its divisors is an integer number (78044400).

Almost surely, 2^312142003 is an apocalyptic number.

312142003 is a deficient number, since it is larger than the sum of its proper divisors (35597).

312142003 is a wasteful number, since it uses less digits than its factorization.

312142003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35596.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312142003 is about 17667.5409437760. The cubic root of 312142003 is about 678.3451709015.

Adding to 312142003 its reverse (300241213), we get a palindrome (612383216).

The spelling of 312142003 in words is "three hundred twelve million, one hundred forty-two thousand, three".