312103103120 has 20 divisors (see below), whose sum is σ = 725639714940. Its totient is φ = 124841241216.

The previous prime is 312103103113. The next prime is 312103103149. The reversal of 312103103120 is 21301301213.

It can be written as a sum of positive squares in 2 ways, for example, as 210996910336 + 101106192784 = 459344^2 + 317972^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950644315 + ... + 1950644474.

It is an arithmetic number, because the mean of its divisors is an integer number (36281985747).

Almost surely, 2^312103103120 is an apocalyptic number.

It is an amenable number.

312103103120 is an abundant number, since it is smaller than the sum of its proper divisors (413536611820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312103103120 is a wasteful number, since it uses less digits than its factorization.

312103103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901288802 (or 3901288796 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 312103103120 its reverse (21301301213), we get a palindrome (333404404333).

The spelling of 312103103120 in words is "three hundred twelve billion, one hundred three million, one hundred three thousand, one hundred twenty".