211031310200103 has 24 divisors (see below), whose sum is σ = 322754318441568. Its totient is φ = 132411576878592.

The previous prime is 211031310200057. The next prime is 211031310200143. The reversal of 211031310200103 is 301002013130112.

211031310200103 is a `hidden beast` number, since 2 + 110 + 31 + 310 + 200 + 10 + 3 = 666.

It is not a de Polignac number, because 211031310200103 - 2¹⁷ = 211031310069031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211031310200143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173578150 + ... + 174789692.

It is an arithmetic number, because the mean of its divisors is an integer number (13448096601732).

Almost surely, 2^{211031310200103} is an apocalyptic number.

211031310200103 is a deficient number, since it is larger than the sum of its proper divisors (111723008241465).

211031310200103 is a wasteful number, since it uses less digits than its factorization.

211031310200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350023 (or 2350020 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211031310200103 its reverse (301002013130112), we get a palindrome (512033323330215).

The spelling of 211031310200103 in words is "two hundred eleven trillion, thirty-one billion, three hundred ten million, two hundred thousand, one hundred three".