211343231103 has 16 divisors (see below), whose sum is σ = 291349298400. Its totient is φ = 136167440256.

The previous prime is 211343231101. The next prime is 211343231111. The reversal of 211343231103 is 301132343112.

211343231103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211343231103 - 2¹ = 211343231101 is a prime.

It is a super-2 number, since 2×211343231103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211343231101) 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 15 ways as a sum of consecutive naturals, for example, 6372700 + ... + 6405777.

It is an arithmetic number, because the mean of its divisors is an integer number (18209331150).

Almost surely, 2^211343231103 is an apocalyptic number.

211343231103 is a deficient number, since it is larger than the sum of its proper divisors (80006067297).

211343231103 is a wasteful number, since it uses less digits than its factorization.

211343231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778666.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 211343231103 its reverse (301132343112), we get a palindrome (512475574215).

The spelling of 211343231103 in words is "two hundred eleven billion, three hundred forty-three million, two hundred thirty-one thousand, one hundred three".