312231303 has 12 divisors (see below), whose sum is σ = 451191208. Its totient is φ = 208066320.

The previous prime is 312231251. The next prime is 312231331. The reversal of 312231303 is 303132213.

It is not a de Polignac number, because 312231303 - 2²⁰ = 311182727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20901 + ... + 32577.

Almost surely, 2^312231303 is an apocalyptic number.

312231303 is a deficient number, since it is larger than the sum of its proper divisors (138959905).

312231303 is a wasteful number, since it uses less digits than its factorization.

312231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654 (or 14651 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 312231303 is about 17670.0679964736. The cubic root of 312231303 is about 678.4098534791.

Adding to 312231303 its reverse (303132213), we get a palindrome (615363516).

The spelling of 312231303 in words is "three hundred twelve million, two hundred thirty-one thousand, three hundred three".