312211332103 has 12 divisors (see below), whose sum is σ = 349649436024. Its totient is φ = 278473223600.

The previous prime is 312211332101. The next prime is 312211332133. The reversal of 312211332103 is 301233112213.

It is not a de Polignac number, because 312211332103 - 2¹ = 312211332101 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 (312211332101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24335653 + ... + 24348478.

It is an arithmetic number, because the mean of its divisors is an integer number (29137453002).

Almost surely, 2^312211332103 is an apocalyptic number.

312211332103 is a deficient number, since it is larger than the sum of its proper divisors (37438103921).

312211332103 is a wasteful number, since it uses less digits than its factorization.

312211332103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48684206 (or 48684195 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312211332103 its reverse (301233112213), we get a palindrome (613444444316).

The spelling of 312211332103 in words is "three hundred twelve billion, two hundred eleven million, three hundred thirty-two thousand, one hundred three".