312021330103 has 12 divisors (see below), whose sum is σ = 362975263560. Its totient is φ = 267438251472.

The previous prime is 312021330083. The next prime is 312021330133. The reversal of 312021330103 is 301033120213.

It is not a de Polignac number, because 312021330103 - 2¹⁷ = 312021199031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312021330133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789425 + ... + 1956037.

It is an arithmetic number, because the mean of its divisors is an integer number (30247938630).

Almost surely, 2^312021330103 is an apocalyptic number.

312021330103 is a deficient number, since it is larger than the sum of its proper divisors (50953933457).

312021330103 is a wasteful number, since it uses less digits than its factorization.

312021330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204846 (or 204839 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312021330103 its reverse (301033120213), we get a palindrome (613054450316).

The spelling of 312021330103 in words is "three hundred twelve billion, twenty-one million, three hundred thirty thousand, one hundred three".