312101302220103 has 32 divisors (see below), whose sum is σ = 458133627283200. Its totient is φ = 187415622201600.

The previous prime is 312101302220041. The next prime is 312101302220117. The reversal of 312101302220103 is 301022203101213.

It is not a de Polignac number, because 312101302220103 - 2¹⁸ = 312101301957959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312101302220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312101302220153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766025683 + ... + 766433003.

It is an arithmetic number, because the mean of its divisors is an integer number (14316675852600).

Almost surely, 2^{312101302220103} is an apocalyptic number.

312101302220103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

312101302220103 is a deficient number, since it is larger than the sum of its proper divisors (146032325063097).

312101302220103 is a wasteful number, since it uses less digits than its factorization.

312101302220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620463.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312101302220103 its reverse (301022203101213), we get a palindrome (613123505321316).

The spelling of 312101302220103 in words is "three hundred twelve trillion, one hundred one billion, three hundred two million, two hundred twenty thousand, one hundred three".