312132303 has 72 divisors (see below), whose sum is σ = 547996176. Its totient is φ = 170553600.

The previous prime is 312132299. The next prime is 312132341. The reversal of 312132303 is 303231213.

It is not a de Polignac number, because 312132303 - 2² = 312132299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312132343) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1102800 + ... + 1103082.

It is an arithmetic number, because the mean of its divisors is an integer number (7611058).

Almost surely, 2^312132303 is an apocalyptic number.

312132303 is a deficient number, since it is larger than the sum of its proper divisors (235863873).

312132303 is a wasteful number, since it uses less digits than its factorization.

312132303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 395 counting only the distinct ones).

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

The square root of 312132303 is about 17667.2664269264. The cubic root of 312132303 is about 678.3381441677.

Adding to 312132303 its reverse (303231213), we get a palindrome (615363516).

The spelling of 312132303 in words is "three hundred twelve million, one hundred thirty-two thousand, three hundred three".