312133221303 has 8 divisors (see below), whose sum is σ = 416230214400. Its totient is φ = 208062521208.

The previous prime is 312133221251. The next prime is 312133221347. The reversal of 312133221303 is 303122331213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312133221303 - 2¹³ = 312133213111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312133221353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6545533 + ... + 6593046.

It is an arithmetic number, because the mean of its divisors is an integer number (52028776800).

Almost surely, 2^312133221303 is an apocalyptic number.

312133221303 is a deficient number, since it is larger than the sum of its proper divisors (104096993097).

312133221303 is a wasteful number, since it uses less digits than its factorization.

312133221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146501.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 312133221303 its reverse (303122331213), we get a palindrome (615255552516).

The spelling of 312133221303 in words is "three hundred twelve billion, one hundred thirty-three million, two hundred twenty-one thousand, three hundred three".