211013212031303 has 4 divisors (see below), whose sum is σ = 230196231306888. Its totient is φ = 191830192755720.

The previous prime is 211013212031263. The next prime is 211013212031359. The reversal of 211013212031303 is 303130212310112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211013212031303 - 2¹⁶ = 211013211965767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211013212031393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9591509637776 + ... + 9591509637797.

It is an arithmetic number, because the mean of its divisors is an integer number (57549057826722).

Almost surely, 2^{211013212031303} is an apocalyptic number.

211013212031303 is a deficient number, since it is larger than the sum of its proper divisors (19183019275585).

211013212031303 is a wasteful number, since it uses less digits than its factorization.

211013212031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183019275584.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 211013212031303 its reverse (303130212310112), we get a palindrome (514143424341415).

The spelling of 211013212031303 in words is "two hundred eleven trillion, thirteen billion, two hundred twelve million, thirty-one thousand, three hundred three".